导图社区 四六级 or 考研英语单词 B
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四六级 or 考研英语单词 B
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编辑于2025-07-21 10:59:23- 四级
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1
back
backup
The police had backup from the army.
VAR 增援；后援（物资、人员等的）支持，辅助
We can use him as a backup if one of the other players drops out.
VAR 增援；后援（物资、人员等的）支持，辅助
extra help or support that you can get if necessary
a backup power supply
备用电源
VAR 增援；后援（物资、人员等的）支持，辅助
And you always have to do a backup of your most important files just in case.
为了以防万一，你必须要对最重要的文件进行备份。
VAR备用品；后备计划；备份
N-VAR If you have something such as a second piece of equipment or set of plans as backup, you have arranged for them to be available for use in case the first one does not work.
backward
a d j+n向后的，往后的（一些人亦使用backwards）
A backwardmovement or look is in the direction that your back is facing. Some people use backwards for this meaning.
a d j+n倒退的
If someone takes a backward step, they do something that does not change or improve their situation, but causes them to go back a stage.
（国家 社会）落后的
(child)学习吃力的；迟钝的
backyard
C后院
C（某国的）后院（指本土或该国意欲施加影响的邻近地区）
bad
badly
badge
bædʒ
C徽章
a badge of....
标志； 象征
a badge of honor
baffle
The scientists are completely baffled by the cause of it
v t 使困惑；把…难住
If something baffles you, you cannot understand it or explain it.
bag
baggage
U行李
U（思想）包袱；成见；偏见
You can use baggage to refer to someone's emotional problems, fixed ideas, or prejudices.
How much emotional baggage is he bringing with him into the relationship?
他背负着多重的感情包袱开始这段恋情
bail
U 保释金；保释
vt 保释（常用被动）
VI （尤指迅速地）离开
bait
vt 装饵于；给（鱼钩或陷阱等）上诱饵
U诱饵（食物）；
U诱惑物
take the bait ／rise to the bait
中圈套，上当，中计（亦作rise to the bait,主要用于英国英语中）
V t . 使上当发火；故意逗…生气
If you bait someone, you deliberately try to make them angry by teasing them
bake
vt/vi烤，烘（面包、糕 饼等）
烤；烘；焙
When a cake or bread bakes or when you bake it, it cooks in the oven without any extra liquid or fat.
a cake or bread bakes
. 装饵于；给（鱼钩或陷阱等）上诱饵
If you bait a hook or trap, you put bait on it or in it
vi 受晒；受炙烤
If places or people become extremely hot because the sun is shining very strongly, you can say that they bake
bakery
面包（或糕饼）烘房；面包（或糕饼）店
baker
C 面包师；糕饼师；面包（或糕饼）店店主
C 面包房；糕饼店
balance
Ua 均衡；平衡；均势
U 平衡能力
keep your balance
lose your balance
be off balance
Ca 余额;结欠
I'd like to check the balance in my account please.
C 天平；秤
vivt （在某物上）保持平衡；立稳
balance sth (on sth)
balance(on sth)
vivt 相抵；抵消
balance out
balance sth (out)
vt 结平（账目）
vt 同等重视（相对的两个事物或方面）
balanceA with/and B
in the balance
悬而未决；待定
on balance
You can say on balance to indicate that you are stating an opinion after considering all the relevant facts or arguments. 权衡之后；全面考虑之后；总的来说
If you are thrown off balance by something, you are surprised or confused by it. 惊慌失措；迷惑不解
balcony
阳台
（剧院或电影院的）楼座，楼厅
bald
adj Sb秃头的
adj+n不加修饰的；直截了当的；赤裸裸的
A bald statement is in plain language and contains no extra explanation or information.
bald statement/facts/truth
（轮胎表面）磨平了的，磨光了的
adj not having enough of what usually covers sth
VS bold
人或举止 大胆自信的；敢于表白情感的；敢于冒险的
形状、颜色、线条等 明显的；轮廓突出的
粗体的；黑体的
C 黑体；粗体
baldly
ADV 直截了当
baldness
U 秃头
ball（待续）
ballet
U芭蕾舞C芭蕾舞剧
balloon
C 气球；热气球
vi(数量)激增
balloon to....
ballot
/ˈbælət/
Fifty of its members will be elected by direct ballot.
1.C 无记名投票/选举/选举
Election boards will count the ballots by hand
2.C(无记名)选票
The union will ballot members on whether to strike
3.ballot a group of people ==在...中间进行无记名投票/表决
ban
a ban on sth
C明令禁止
ban smoking in all offices
vt明令禁止
be banned from doing sth
禁止做某事
band
C乐队
bandage
C绷带
vt 用绷带包扎
=bandage up
bang
I heard 4 loud bangs.
C突然的巨响
The engine banged.
vi 发出巨响
bang on the desks/bang the desks
bang(on)sth猛击
bang her head
撞伤(身体部位)
I didn't mean to bang into you.
bang into sb/sth (因不注意)撞上...
My bangs were cut short.
Cs刘海
Her career began with a bang in 1886.
sth begins/ends with a bang
精力充沛地；热情高涨地；非常成功地
bank
C银行
banking
U银行业
banker
银行家
banknote
C纸币
bankrupt
If the firm cannot sell its products,it will go bankrupt.
adj 破产的，倒闭的
The move to the markrt nearly bankrupt the firm and its director.
vt 使 人/组织 破产
Many bankrupts need time to get back on their feet.
C经法院宣布的破产者
be morally bankrupt
adj彻底缺乏的
bankruptcy
U/C
破产/破产事件
the moral bankruptcy of terrorism
U 缺乏好品质
banner
a large of students carrying banners denouncing the government
（抗议/集会）用两根杆子撑开的横幅
All countries march as one nation under the banner of friendship.
under the banner of... 以……的名义;在...的旗帜下;
If someone does something under the banner of a particular cause, idea, or belief, they do it saying that they support that cause, idea, or belief.
banquet
Last night he attended a state banquet at Buckingham Palace.
正式而又盛大的宴会
state banquet 国宴
bar
C 酒吧
C （长方形）条，块
C 长条，棒，栏杆（常用作护栏）
Ca bar(to sth) a thing that stops sb from doing sth 障碍；羁绊
vt 阻挡；拦住
vtop （用铁条或木条）封，堵
vt 禁止，阻止（某人做某事）
bar sb (from sth/from doing sth)
barbecue
C烤肉架
have a barbecue
C烧烤野餐
barbecued chicken
vt烧烤（尤指烤肉）
barber
C男理发师
a barber's 理发店
bare
Snack lovers are panic buying and many supermarket shelves are bare.
adj empty
Don't walk on the cold floor with bare feet.
adj 赤裸的 身体部位(赤裸)/surface(无遮盖)/tree(没树叶)/ground(寸草不生)
She bared her teeth.
vt 露出
Rescuers were using their bare hands to reach the trapped miners.
use one's bare hands/with one's bare hands 徒手
Few men would have bared their soul to a woman as he had.
bare one's soul （to sb）敞开心扉
No one wants to expose themselves,lay their feelings bare
lay bare sth/sb
揭露；揭发
the bare facts;the barest details of sth
ADJ(事实、细节等)最基本的，最重要的
It means that people are lacking the bare necessities.
最少的；最低限度的；
the bare minimum
the bare essentials
at a bare 2 percent a year
adj 仅有的（强调数量少）
barely
She looked barely 10 years old.
adv 刚刚，勉强，仅仅
He could barely remember the ride to the hospital.
adv 刚刚，勉强，仅仅
bargain
C 便宜货
vi /bargain with... (与...)讨价还价,交涉，谈判
This machine is designed to save you effort, and keep your work surfaces tidy into the bargain.
into the bargain 而且，此外，再者
a law firm with the reputation for driving a hard bargain
drive a hard bargain 极力讨价还价
He wouldn't have kept his side of the bargain.
keep one's side of the bargain 信守诺言
barge
Hundreds of workers have been rescued from barges off Mumbai's coast, but others are still missing.
C(运河上载货用的)大型平底船，驳船
Their victims were asleep when the gunman barged into their dormitory and opened fire.
barge into/through (a place)
硬闯
barge into/past (sb)
鲁莽地撞
bark
Dont't let the dog bark.
vi /C(狗)叫 ；(人)大声嚷
bark at...
Their thick bark protects them close to the ground.
U
树皮
His bark is worse than his bite.
sb's bark is worse than his/her bite 刀子嘴 豆腐心
barn
The farmers covered the barn floor with straw
C粮仓
straw
U 干的稻草，麦秆
barometer
bəˈrɒmɪtə(r)
A barometer is useful in predicting the weather.
C 气压计；晴雨表
The skin is an accurate barometer of emotional and physical health..
a barometer of...
something that shows any changes that are happening in a particular situation
barrack
bærək
An army spokesman said the fighters were killed as they attacked military barracks.
C兵营
Fans gained more enjoyment barracking him than cheering on the team.
vt 喝倒彩
barrel
ˈbærəl
C 桶；枪管
barren
ˈbærən
Yet life does exist in this seemingly barren land.
adj(土地)贫瘠的；adj(某地)不毛的，荒芜的(没草木 bare)
The room was austere, nearly barren of furniture or decoration.
adj (room/place)空的，没东西的
barren of ...
adj无用的；无益的；无效果的
If you describe something such as an activity or a period of your life as barren, you mean that you achieve no success during it or that it has no useful results.
adj man/woman 不孕的，不育的
barrier
障碍，障碍物
base
You have committed one of the basest, the most shameful acts with which a human creature can stain himself.
adj 某种行为（behaviours）卑鄙的，下流的 immoral or dishonest
C 基础；底座，基部
C 底；底部；底面
C 基地，总部，大本营
vt 以…为基础
base one thing on another thing
basement
C地下室
basic
基本的
basically
基本上
basin
C盆，大碗
C=washbasin洗脸盆
C盆地
C流域
C泊船处
basis
N-SING 基础；依据；基本原则
C 基础；起点
Ca 依据；根据
bass
bæs
C男低音歌手；adj(乐器)低音的；VAR鲈鱼
bat
C球拍；蝙蝠
vi 轮到击球
batch
a batch of sth/people...
一批，一组，一群...
bath
C浴盆,浴缸 ；(在浴缸中的)洗澡；澡堂
bathe
vi(在浴缸中)洗澡
VT 给（小孩）洗澡
VT 用水清洗（尤指身体部位）
VI /C（到海、河等中）游泳消遣
VT （以光线）撒满，覆盖；使沐浴在（光线）里
bathing
U （到海、河等中）游泳，畅游
bathroom
浴室；US厕所
battalion
bəˈtæliən
C军营；营
a battalion of... （people）（有组织，有特定任务，高效的）一大群..
batter
C击球手
battery
C电池
C 一系列；一批；一群
a battery(of sth)
battle
C战斗；斗争
vivt 搏斗；奋斗；斗争
bay
C海湾
C （建筑物的）开间，隔间
C （飞机或船只的）货舱，分隔舱
C （建筑物的）凸出部分；（尤指）飘窗，凸窗
VI 大声疾呼；强烈要求
VI （犬）连续吠；（狼）连续嚎叫 [Also VERB]
2
beach
bead
The girl looked at the bead curtain
Cs/as adjN 珠子
He wiped away the beads of sweat on his forehead.
a bead of...(液体) 一滴...
beak
鸟嘴
beam
vivt 眉开眼笑
beam(at sb)
beam(with sth)
beamsth (at sb)
vi t 照射；发光；发热
vt 发射（电波）；播送
C 光线；（电波的）波束；（粒子的）束
C 梁
C 笑容；眉开眼笑
bean
bear
VT 在否定句和疑问句中与 can ╱ could 连用 承受；忍受
VT 适于某事（或做某事）
VT 承担责任
vt 心怀（感情，尤指坏心情）
vt 支撑，承受（重量）
VT 显示；带有
VT 生孩子
VT 开（花）；结（果实）
beard
C(man's)胡须
bearing
-bearing 和名词连用构成形容词）表示“含有”，“带有”
Recent events had no bearing on our decision.
近期的事件与我们的决定没有关系。
U 关系；影响
bearing on sth
Her whole bearing was alert
她整个人保持着戒备状态。
SING 姿态；举止
C （用罗盘测定的）方位
beast
C野兽
C (人)畜生；王八蛋
beat
beauty
beautiful
beautify
vt make sth beautiful
because
beckon
He beckoned to the waiter.
beckon to sb 招手示意(叫他们过来)
A career in the film industry beckoned.
吸引
if something such as a place or opportunity beckons, it appears so attractive that you want to have it
beckon to sb
Early retirement beckoned for George
vi 可能发生在某人身上
Old age beckons.--岁月催人老
beckon for sb
become
bed
bedding
bee
beef
beer
啤酒
beetle
C甲虫
before
beforehand
Let me buy the tickets beforehand.
adv(常用在动词后) 预先，提前，实现
beg
beggar
begin
beginning
behalf
behave
behavio(u)r
behavio(u)ral
behind
being
belief
believe
bell
C玲
belly
C胃，腹部，肚子
VI 胀满；鼓起
a beer belly
C 啤酒肚
a pot belly
C罗汉肚，大肚子
a company goes belly up
资不抵债
belong
belongings
beloved
below
belt
bench
C长椅
C （长方形）工作台，实验台
the bench
SING 法官；法官席位；法官（或裁判官）的职位
bend
VIVT （使）倾斜，偏向
VIVT （使四肢等）弯曲
VT 把…弄弯（或折起）
VIVT （使）拐弯，弯曲
beneath
benefit
VAR（政府提供给穷人、病人和失业人员的）救济金，补助金
beneficial
beneficiary
benevolent
bəˈnevələnt
a benevolent smile
adj kind and generous
benevolence
Confucius exemplified benevolence and integrity, and through his teaching, became one of China's greatest philosophers.
U 仁慈 善行
benign
bɪˈnaɪn
adj+n sb kind and gentle
adj+n（肿瘤）良性的
adj+n（物质）没有危害的
adj+n（环境、气候）良好的 宜人的
OPP malignant
malignant
(肿瘤或疾病)恶性的
ANTIbenign
（肿瘤）良性的 [medicine]
（人）恶意的，恶毒的
malignancy
VAR 恶性（肿瘤或疾病） [medicine]
benignly
berry
C 浆果
beset
After rebounding from covid-19, the country is now beset by rising prices.
vt 困扰
to make someone experience serious problems or dangers
be beset by/with...
beside
besides
besiege
She was besieged by the press and the public.
烦扰；纠缠（常用被动）
If you are besieged by people, many people want something from you and continually bother you
be besieged by people
The first humanitarian aid in months entered the besieged suburbs outside of Syria's capital today.
vt 包围
best
best-seller
best-selling
bet
betray
For years they had been betraying state secrets to Russia.
VT 出卖；泄露（机密）
betraysb/sth to sb
She felt betrayed when she found out the truth about him.
vt 失信于，辜负（sb/sb's信任...）;背叛,出卖(朋友,国家...)
VT 违背（理想,原则...）
vt （无意中）流露出感情（a feeling/quality）；泄露信息
betray yourself
betrayal
VAR 辜负 背叛 出卖
a betrayal of...
对...的背叛
betrayer
C 背叛者
better
between
beverage
ˈbevərɪdʒ
Skip meals to conserve calories so they can consume alcoholic beverages.
Cs 饮料 =drinks
beware
Police warned drivers to beware.
vi 小心 当心
Motorists were warned to beware of slippery conditions.
beware of sth/doing sth
小心
motorist
C 汽车驾驶员
slippery
adj 滑的
bewilder
The old woman from the country was bewildered by the crowds and traffic in the big city.
vt 使困惑
If something bewilders you, it is so confusing or difficult that you cannot understand it.
bewilderment
U 困惑 糊涂
in bewilderment
beyond
3
bias
VAR 偏见；偏好
gender/racial bias
have a bias against/towards...
vt 使有偏见
bible
Bible C 《圣经》
bible C 圣经
biblical
adj +n《圣经》的
bibliography
ˌbɪbliˈɒɡrəfi
C(参考或引证的)参考书目,文献目录
C(有关某一专题的)书目;
bicycle/bike
bid
big
bilateral
We face numerous challenges, said President Trump, and bilateral cooperation is essential.
adj(谈判、会议、协议等)双边的(involving 2 groups or nations)
（身体部位）两侧的，对称的；（大脑）两半球的
unilateral
trilateral
multilateral
bill
billion
billionaire
bin
C垃圾箱；箱子
C 箱子；储物箱；储藏箱
vt 扔掉
bind
PST PP
均为bound
绑在一起
物理
vt 捆绑；系
bindsb/sth to sth
bindsb/sth together
bindsb/sth
[vt, usually passive ] to fasten the pages of a book together and put them inside a cover 装订
bind sth (in sth)
抽象
vt (usually passive ) 约束；迫使
bind sb (to sth)
bind sb to do sth
to force sb to do sth by making them promise to do it or by making it their duty to do it
binding
有约束力的；必须遵守的；应履行的
A binding promise, agreement, or decision must be obeyed or carried out
binoculars
bɪˈnɒkjələz
plural 双眼望远镜
biochemistry
生物化学
biochemical
biochemist
biography
baɪˈɒɡrəfi
C(人物)传记
U传记（文学体裁）
autobiography
Var 自传；自传体写作
biographical
adj+n 传记的，关于生平的
biographer
传记作者
biology
baɪˈɒlədʒi
U 生物学；生命机理
biological
biologist
biotechnology
U生物技术
bird
birth
VAR 出生；降生；出世
U 诞生；产生；出现；起源
U 出身；家世；门第
by birth
在血统上；生来
a woman gives birth
生（孩子）；分娩；生育
give birth to something
使产生；使诞生
birthday
biscuit
C小点心，饼干
bishop
C 主教；（国际象棋中的）象
bit
bitch
C婊子
bite
bitter
bizarre
/bɪˈzɑː(r)/
adj 奇异的，古怪的
adv
bizarrely
black
blackboard
blackmail
U敲诈,勒索
U（情感或道德上的）胁迫
vt敲诈,勒索
blade
C 刃
blame
blank
空白的；空的
C 空白处；空格
茫然的；漠然的；毫无表情的
SING （头脑或记忆）一片空白
If you blank out a particular feeling or thought, you do not allow yourself to experience that feeling or to have that thought. 不再去想；刻意忘却
blankness
U 茫然；漠然；毫无表情
blankly
ADV 茫然；漠然；毫无表情
blanket
C 毯子；毛毯
C 覆盖层 厚层；厚的覆盖层
包括所有情形（或人员）的；总括的；综合的
VTOP 以厚层覆盖
blast
C爆炸
vt 抨击,强烈批评（sb/sth）
blaze
a blazing fire
vi（fire）熊熊燃烧
Some 4,000 firefighters are battling the blaze.
C 大火
The sun is blazing down this beautiful wide boulevards.
vi 闪耀；发亮光
blaze with...
If something blazes with light or colour, it is extremely bright.
-->C灿烂
Her eyes were blazing with fury.
vi ~ (with sth) (formal) if sb's eyes blaze , they look extremely angry 怒视；（怒火）燃烧
blaze at sb
An enemy plane roared overhead, its guns blazing.
vi (枪)连续射击
blaze=blaze away
The story was blazed all over the daily papers.
vted/N 大肆宣扬
a blaze of..
blaze sth(over/across sth)
These surgeons have blazed the trail in the treatment of bomb victims.
blaze a trail（in sth）
开辟道路；作开路先锋
If someone blazes a trail, they discover or develop something new.
The company came out with guns blazing
If you come out with guns blazing or with all guns blazing, you put all your effort and energy into trying to achieve something. 全力以赴；鼓足干劲
bleach
bliːtʃ
The sun will bleach the hairs on your face.
vt/vi 漂白，使变白，晒白
N漂白剂
bleak
The future looks bleak for the fishing industry.
adj(状况)不乐观的 无望的；暗淡的
a bleak winter's day
(天气)阴冷的
a bleak landscape
(地方)荒凉的
Alberg gave him a bleak stare.
阿尔伯格沮丧地凝视着他。
（人）无精打采的，沮丧的，阴郁的
bleakness
bleakly
bleed
vi 流血
Keep the paint fairly dry so that the colours don't bleed into each other.
vi（颜色）弥散，常＋prep
They mean to bleed the British to the utmost.
vt 榨取..的钱
bleed sb dry/white
榨干某人所有的钱
blend
a blend of youth and experience
C（不同类型东西的混合物）Ca（不同事物的）和谐结合
Blend the flour with the milk to make a smooth paste.
vt/vi(使)混合，融合，掺和
vt:blend A with/and B
vi: blend with B
Their music blends traditional and modern styles.
vt/vi(使)混合，融合，掺和
vt:blend A with/and B
vi: blend with B
Oil does not blend with water.
vt/vi(使)混合，融合，掺和
vt:blend A with/and B
vi: blend with B
He blended into the crowd
blend into
融入到（背景中）
bless
VT 求上帝降福；祝福
She's blessed with excellent health.
她身体很好，是一种福气。
be blessed with sth/sb
to have sth good such as ability, great happiness, etc. 赋有（能力等）；享有（幸福等）
blessing
Rivers are a blessing for an agricultural country.
河流对于一个农业国家来说是一种恩赐。
C 幸事；福气；好事；福祉A blessing is something good that you are grateful for.
gave their formal blessing to the idea.
正式批准了这个计划。
C [常用单数形式] approval of or permission for sth 支持；赞同；准许
C 祈福；祷告；祈祷
C[常用单数形式] God's help and protection, or a prayer asking for this 上帝的恩宠；祝福；祝颂
a blessing in disguise
something that seems to be a problem at first, but that has good results in the end 因祸得福；祸中有福
a mixed blessing
If you say that a situation is a mixed blessing, you mean that it has disadvantages as well as advantages. 祸福兼有；有利有弊
blind
盲的；瞎的；失明的
看不到的；视而不见的；没有意识到的 [disapproval]
时看不见的；双眼模糊的；目眩的
VT 使…看不见；使…失明
VT 使无法意识到；使无视；使无法认清
（信仰或行动）盲目的，不理智的 [disapproval]
无窗的；无门的；没有开口的；封死的
C 百叶窗；卷帘
blindly
ADV 暂时看不见；双眼模糊；目眩
blindness
U 失明
U 漠视
blink
vi/vt C 眨眼
vi（灯光）闪烁
in the blink of an eye
一眨眼功夫
on the blink
（机器）出毛病
bloc
the world's largest trading bloc.
C国家集团，阵营，共同体
block
blog
C 博客
blond(e)
（头发）金色，浅棕色，浅黄色 blonde通常用于指女性，而blond通常用于指男性
blood
bloody
bloom
blossom
blouse
blow
blue
blueprint
bluff
C（河边、海边的）悬崖，陡案
blunder
She stopped, finally aware of the terrible blunder she had made.
C 愚蠢的错误
No doubt I had blundered again.
VI 犯愚蠢的错误
People wanted to know how they had blundered into war, and how to avoid it in future.
vi+adv/prep 不慎陷入（危险/困难境地）；跌跌撞撞，慌乱地走
如
blunder into...
blunder around/about
He had blundered into the table, upsetting the flowers.
他不小心撞到了桌子，把花打翻了。
VI 跌跌撞撞；慌乱地走
blunt
She is blunt about her personal life.
她对自己的私生活直言不讳。
adj (sb)直率的，直言不讳的
One of them had been struck 13 times over the head with a blunt object.
他们中有一个人的头部被钝器击打13次。
adj(物体) 不锋利的，钝的
Our appetite was blunted by the beer.
喝啤酒让我们没有了胃口。
vt使（情感、感觉、需求）减弱；使迟钝
If something blunts an emotion, a feeling or a need, it weakens it.
vt 使（尖端、刃）变钝
bluntness
U 直率
bluntly
不客气地；直率地
blur
blush
VI （因尴尬或害羞）脸红，涨红了脸
VT （因某事）羞愧，尴尬
blushto do sth
C （因难堪、羞愧）面部泛起的红晕
board
boast
vi /vq to talk with too much pride about sth that you have or can do 自夸；自吹自擂
boast (about/of sth)
boast that...
vt ( 不用于进行时) to have sth that is impressive and that you can be proud of 有（值得自豪的东西）
boastful
adj 自吹自擂的；自夸的
boat
body
bodily
boil
boiler
bold
/bəʊld/
人或举止 大胆自信的；敢于表白情感的；敢于冒险的
形状、颜色、线条等 明显的；轮廓突出的
粗体的；黑体的
C 黑体；粗体
boldly
ADV 勇敢；无畏
ADV 明显；轮廓突出
boldness
Don't forget the boldness of his economic programme.
不要忘记他的经济方案非常大胆。
U 勇敢；无畏
bolster
VT to improve sth or make it stronger 改善；加强
=bolster sth up
bolt
C （门窗的）闩，插销
C 螺栓
VTVI 用插销闩上；能被闩上
VT 用螺栓（把甲和乙）固定在一起
bolt A to B
bolt A and B together
bomb
C 炸弹；爆炸装置
VT 轰炸；对…投炸弹
bond
C 纽带；联系；关系；契合
C 连接；结合
C （政府或公司发行的）公债，债券 [business]
bonds
Cs 捆绑犯人的绳索（或镣铐）
Cs 桎梏；束缚；约束；羁绊 [literary]
VIVT 使牢固结合；把…紧紧地连接到
VIVT 增强（与某人的）信任关系；建立（与某人的）互信关系
bondage
U 奴役
U 束缚；约束 [formal]
bone
C 骨头；骨
U 骨质
bony
瘦骨嶙峋的
(of fish 鱼 ) full of small bones 多刺的
由骨骼组成的；类似骨头的
bonus
C 奖金；津贴
C 额外的好处；意外收获
book
boom
C（经济的）繁荣，景气
C（数量的）增长；（频率的）加快；成功
Ca 深沉的响声
vi 轰鸣；轰响
vi 迅速发展；激增；繁荣昌盛
booming
adj 兴旺发达的 迅速发展的
boost
vt 使增长；推动；改进；使兴旺
C 帮助；激励
C 增长；提高
boot
C 汽车的后备箱
boots
Cs 靴子
boot up
启动（计算机）
boot out
If someone boots you out of a job, organization, or place, you are forced to leave it. 解雇；开除；赶出
VT 猛踢（球等）
booth
C e 不受干扰的划定空间（如电话亭、投票间等）
C 临时货摊（或放映棚等）
C （餐厅或咖啡馆中的）火车座，雅座
border
C 边界；边疆；边界地区
vt 和…毗邻；与…接壤
= border on
border on sth
濒于；近乎
挨着；接壤
C 镶边；包边
vt 沿…的边；环绕…；给…镶边
bore
vt 使厌烦；使厌倦
boresb with sth
vivt 钻，凿，挖（长而深的洞）
boreinto/through sth
boresth (in/through sth)
bored
感到厌倦的；感到厌烦的
boring
born
borrow
boss
botany
U 植物学
botanical
植物学的
both
bother
vivt 常用于否定句和疑问句 花费时间精力（做某事）
bother with/about sth
botherto do sth
botherdoing sth
vt 使（某人）烦恼（或担忧、不安）；给（某人）造成麻烦（或痛苦）
bothersb with sth
it bothers sb to do sth
vt 打扰；搭话
U 麻烦；困难
bottle
bottom
bounce
VIVT （使）弹起，弹跳
VIVT （电子邮件）弹回；退回（电子邮件）
VT 解雇；开除；撵走；逐出
C 弹跳；跳动
U 弹性；反弹力
VAR 活力；精力
bound
VI 跳跃着跑
VTOP 形成…的边界（或界限）
C 蹦跳；跳跃
ADJ be bound to do/be sth
一定会；很可能会
ADJ 受（法律、义务或情况）约束（必须做某事）；有义务（做某事）
ADJ 正旅行去（某地）；准备前往（某地）
westbound
向西行进的
homeward bound
在回家途中
Paris-bound
前往巴黎的
构成复合词 因…受阻（或不能正常工作）
be bound ˈup in sth
忙于某事；热衷于某事
boundary
C （土地的）分界线，边界 [Also + between]
C （学科或活动的）界限，边界
bouquet
buˈkeɪ
C花束
a bouquet of
N-VAR The bouquet of something, especially wine, is the pleasant smell that it has. （尤指葡萄酒散发的）香味，芬芳
bout
He was recovering from a severe bout of flu
N-COUNT If you have a bout of an illness or of an unpleasant feeling, you have it for a short period. （疾病或不愉快情绪的）发作
bow
bowel
bowels
PLURAL 肠
move, open, or empty their bowels .
大便
N-PLURAL You can refer to the parts deep inside something such as the earth, a building, or a machine as the bowels of that thing. 内部；深处
bowl
box
boxing
boycott
We are asking people to boycott goods from companies that use child labour
a trade boycott of British goods
释义
vt/C 抵制,拒绝参加/(对某事物的)抵制
If a country, group, or person boycotts a country, organization, or activity, they refuse to be involved with it in any way because they disapprove of it.
C boycott of/on sth
4
brace
vt（为困难或坏事）使做好准备
brace yourself for something （unpleasant or difficult）
vt（为保持平衡或避免摔倒）使紧靠，抵住
brace yourself against something
brace part of your body against something
vt 绷紧（身体部位的）肌肉
vt 加强；加固 to make sth stronger or more solid by supporting it with sth
C A brace is a device attached to a part of a person's body, for example, to a weak leg, in order to strengthen or support it. 支架
bracket
( also ˈround bracket ) ( both BrE) [usually plural ] 括号
( also parenthesis NAmE or formal )
/pə'renθɪsɪs/
( BrE ˌsquare ˈbracket ) [usually plural ] 方括号
C （价格、年龄、收入等的）组级，等级
C （固定在墙上的）托架，支架
VT 用括弧括上
VT 把…等同考虑；把…相提并论
brag
vi /vq 吹嘘 自吹自擂
brag to sb (about/of sth)
brag that...
brain
brake
C 刹车；制动器；车闸
C 阻力；障碍
brake(on sth)
VIVT 用闸减速；刹（车）
branch
brand
brand-new
brandy
VAR 白兰地（一种烈性酒，常在饭后饮用）
C 一杯白兰地
brass
U 黄铜
NS（交响乐队的）铜管乐乐器组，铜管乐器（常见于教堂的）C黄铜纪念牌 NSC（军队或其他机构的）高级军官，高层人物
get down to brass tacks
讨论基本事实；探讨实质问题
If you get down to brass tacks, you discuss the basic, most important facts of a situation.
brave
vt 勇敢面对
adj （sb/sth） 勇敢的
put on a brave face/put a brave face on sth
If someone is putting on a brave face or is putting a brave face on a difficult situation, they are pretending that they are happy or satisfied when they are not.
强颜欢笑
bravery
breach
vt 违反；违背（条约、法律或承诺）
=break
vt 在…上打开缺口
to make a hole in a wall, fence, etc. so that sb/sth can go through it
C 突破口；缺口；窟窿
VAR 违背，违犯（法规等）
breach of sth
be in breach of ...
Their actions threatened a serious breach in relations between the two countries.
他们的行动使两国关系面临严重恶化的危险。
C 关系的）裂痕，破裂 [formal]
step into the breach
临时代替；临时顶替
bread
break
breakdown
C （车辆或机器的）故障，损坏
VAR（关系）破裂；（讨论、系统）失败
U the breaking of a substance into the parts of which it is made 分解
She's still recovering from her breakdown
她精神崩溃后还在恢复中。
C =nervous breakdown
breakthrough
C 重大进展；突破
adj+n 突破性的
breast
C. （妇女的）乳房 ；胸；胸部；胸膛
CThe breast is often considered to be the part of your body where your emotions are. 胸怀；内心
However, after we have finished breast or formula feeding, most of us don't continue producing the complex proteins in our body, which are necessary to break down the lactose.
然而，在经历完母乳喂养或奶粉喂养后，我们大多数人体内都不会继续产生分解乳糖所必需的复合蛋白质。
breath
breathe
breed(bred bred)
vi (of animals 动物 ) to have sex and produce young 交配繁殖
vt 饲养，培育（动植物）
If they are unemployed it's bound to breed resentment.
如果他们失去工作，一定会产生怨恨。
vt 导致
C 品种（尤指人工培育的狗、猫或牲畜）
Ca （人的）类型，种类
be born and bred in a place
在...土生土长
ill-bred
教养差的;粗野的;无礼的 [disapproval]
pure-bred
A pure-bred animal is one whose parents and ancestors all belong to the same breed. 纯种的
well-bred
A well-bred person is very polite and has good manners. 有教养的;有涵养的;知书达理的
breeding
a sign of good breeding
U 教养
U（动植物的）生育，繁殖
U（为繁殖的）饲养
breeze
C 微风；清风
VI 轻盈而自信地走
ˌbreeze ˈthrough sth
轻易通过；轻松完成
brew
vt 沏（茶） 煮（咖啡）
C 某种茶/咖啡；一壶茶/咖啡
vi/vt 酿制（啤酒）
C 某种或某地某时间生产的 啤酒
vi（困境或危机 风暴）酝酿 常用进行时
C 混合物
A brew of several things is a mixture of those things.
a brew of...
brewery
C啤酒厂
brewer
C 造啤酒的人
bribe
N-COUNT A bribe is a sum of money or something valuable that one person offers or gives to another in order to persuade him or her to do something. 贿赂
vt向…行贿
bribery
U Bribery is the act of offering someone money or something valuable in order to persuade them to do something for you. 贿赂行为；行贿
brick
bride
bridegroom
bridge
brief
简短的；短暂的
简明扼要的
vt 向…简要介绍情况
in brief
简言之；总之
briefly
短暂地
简要地；简单地
简言之；总之
briefing
VAR 情况介绍会；任务下达会
brevity
ˈbrevəti
U 简洁 [formal]
=conciseness
U 短暂；短促
briefcase
N-COUNT A briefcase is a case used for carrying documents in. 公文包
brigade
brɪˈɡeɪd
N-COUNT-COLL [with singular or plural verb] A brigade is one of the groups which an army is divided into. 旅
[常用单数形式](often disapproving) used, always with a word or phrase in front of it, to describe a group of people who share the same opinions or are similar in some other way （主张相同或其他某方面相似的）伙，帮，派
bright
brighten
brilliant
brilliance
bring
brink
If you are on the brink of something, usually something important, terrible, or exciting, you are just about to do it or experience it. 边缘
He's pulled the company back from the brink (= he has saved it from disaster). 他使公司起死回生
C （峭壁、河岸等的）边沿，边缘
brisk
[usually ADJ n] 轻快的；生气勃勃的
A brisk activity or action is done quickly and in an energetic way
briskly
briskness
sb爽快干脆的；精干利落的；麻利的
briskly
briskness
（生意）兴隆的，红火的 [business]
briskly
（天气）寒冷而清新的
briskly
briskness
broad
broaden
breadth
U宽度；
U广度；广泛性
the length and breadth of a place
If you say that someone does something or something happens throughout or across the length and breadth of a place, you are emphasizing that it happens everywhere in that place. 到处；处处
broadcast
brochure
C（介绍产品或服务信息的）小册子
broke
broker
bronze
brɒnz
U青铜；铜锡合金
C青铜像；青铜雕塑。铜牌
adj 青铜色；黄褐色
brood
vi沉思；苦思冥想
[Vover/on/about n]
C一窝幼雏；（某人的)一群孩子，家中所有的子女
broom
C 扫帚
U 金雀花（一种野生灌木，开许多黄色小花）
brother
brow
C Your brow is your forehead. 额；额头
C [usually plural] Your brows are your eyebrows. 眉；眉毛
C The brow of a hill is the top part of it. 山脊；坡顶
If you knit your brows or knit your eyebrows, you frown because you are angry or worried. 皱眉（表示恼怒、担忧） [literary]
brown
adj 褐色；棕色；皮肤晒成棕色的；皮肤晒黑的；棕种人的；棕色皮肤的；（谷物）未去壳的，糙的
vi If someone browns in the sun they become brown in colour. 晒黑
When food browns or when you brown food, you cook it, usually for a short time on a high flame. （用旺火把)(食物)烤得焦黄；（把…）炸成焦黄色
browse
braʊz
vivt 浏览；翻阅
browse(through) sth
vivt/C （在商店里）随便看看
vivt （在计算机，尤指互联网上）搜寻信息，浏览信息
vi （动物）吃草
browse(on sth)
browser
C 浏览软件，浏览器
C 逛商店的人
bruise
bruːz
C 淤伤；青肿
VIVT (将)(蔬菜、水果或植物）碰伤
If a fruit, vegetable, or plant bruises or is bruised, it is damaged by being handled roughly, making a mark on the skin.
And if a singer coughs, this can result in the bruising of the vocal chords
VT 碰伤；擦伤
If you bruise a part of your body, a bruise appears on it, for example because something hits you. If you bruise easily, bruises appear when something hits you only slightly.
the bruising experience of near-bankruptcy
VTOP 挫伤；伤害
[usually passive] If you are bruised by an unpleasant experience, it makes you feel unhappy or upset.
联想
cruise
graze
vt 擦伤，擦破（皮肤）
graze sth (on sth)
VT （经过时）轻擦，轻触，蹭
VIVT 牛、羊等（在草地上）吃青草
graze on sth
graze sth
VT 放牧；放牛；放羊
C （表皮）擦伤
brunch
VAR a meal that you eat in the late morning as a combination of breakfast and lunch 早午餐（早午两餐并作一餐）
VS
branch
brush
brutal
A brutal act or person is cruel and violent. 野蛮的；残暴的
直截了当的；冷酷的
direct and clear about sth unpleasant; not thinking of people's feelings
brutality
bruːˈtæləti
N-VAR 野蛮行径；残暴行为
bubble
C 泡；气泡
C （很可能持续不长的）好景，好运；泡沫
a good or lucky situation that is unlikely to last long
the bubble ˈbursts
（好事或好运）突然告吹，成为泡影；泡沫破灭
VI 冒泡；沸腾
vi 洋溢着（某种感情）
bubble(over) with sth
buck
C（一）美元；（一）澳元；（一）新西兰元；（一）南非兰特；（一）印度卢比
bucket
C（有提手的）桶，吊桶，水桶
buckle
vi/vt to fasten sth or be fastened with a buckle （使）搭扣扣住
buckle (sth on/up)
The crash buckled the front of my car.
vi/vt to become crushed or bent under a weight or force; to crush or bend sth in this way （被）压垮，压弯
The steel frames began to buckle under the strain.
vi/vt to become crushed or bent under a weight or force; to crush or bend sth in this way （被）压垮，压弯
vi 双腿发软
C（皮带等的）搭扣，搭钩
buckle down (to sth)
(informal) to start to do sth seriously 开始认真做；努力干
bud
C a small lump that grows on a plant and from which a flower, leaf or stem develops 芽；苞；花蕾
taste bud
N-COUNT [usually plural, oft poss NOUN] Your taste buds are the little points on the surface of your tongue which enable you to recognize the flavour of a food or drink. 味蕾
cotton bud
C
vi 发芽
budding
[only before noun ] 开始发展的；崭露头角的
beginning to develop or become successful
buddy
N-COUNT 朋友，同伴（通常指男子的男性伙伴）
budget
C 预算
C 财政收支状况
（用于广告语）低价的，低廉的
budget for something
在编制预算时考虑
-budget
（与low，big等形容词连用构成形容词）表示“耗资…的”
budgetary
预算的 [formal]
buffalo
ˈbʌfələʊ
C 水牛 野牛
buffer
C 缓冲物
VT 减少，减缓（伤害）
VT 保护；使不受…的侵害
buffet
C 自助餐；（通常指旅馆或车站的）餐饮部，小餐馆；（火车上的）餐车
vt [常用被动态] to knock or push sb/sth roughly from side to side 对…打来打去；将…推来搡去 （严峻局势）冲击，打击
bug
C小虫；小病；微型窃听器；（计算机）错误；
I've definitely been bitten by the gardening bug.
(usually the… bug) [单数](informal) an enthusiastic interest in sth such as a sport or a hobby 热衷；着迷
vt 使烦恼，使恼怒； 在（某处）装窃听器，窃听（谈话）
build
vivt 建筑；建造
vt 创建；开发
vi 感觉 逐渐增强
VARa 体格；身材
build up
build up sth/sth build up
If you build up something or if it builds up, it gradually becomes bigger, for example because more is added to it. （使）积聚；（使）逐渐增加
build sb up
If you build someone up, you help them to feel stronger or more confident, especially when they have had a bad experience or have been ill. 增强…的体质；建立…的信心
building
C 建筑物；房屋
bulb
C 电灯泡；（植物）球茎
bulk
SING 主体 大部分
the bulk of sth
U （大）体积；大（量）
SING 巨大的体重（或重量、形状、身体等）
bulk sth↔ˈout/ˈup
使某物加大（或加厚、加重）
bulky
adj (sb/sth)庞大的，笨重的
bull
C 公牛；雄兽； 教皇诏书，教皇训谕
C （预期股价上涨而买进股票以期不久可高价卖出获利的）买空者，多头
U 胡说；废话
like a bull in a china shop
好像公牛进了瓷器店；笨手笨脚·
You say that someone is like a bull in a china shop when they are very clumsy.
take the bull by the horns
to face a difficult or dangerous situation directly and with courage 勇敢面对困境（或险境）
If you take the bull by the horns, you do something that you feel you ought to do even though it is difficult, dangerous, or unpleasant.
bullet
ˈbʊlɪt
C 子弹
bites the bullet
硬着头皮做
If someone bites the bullet, they accept that they have to do something unpleasant but necessary.
bulletin
ˈbʊlətɪn
C
（电台或电视台的）新闻简报
an official statement about sth important 公告；布告
（学校、教堂等机构或团体发放的）学报，会刊，小册子
bully
C 恃强凌弱者，恶霸；
vt 恐吓；伤害；胁迫
to frighten or hurt a weaker person; to use your strength or power to make sb do sth
bully sb (into sth/into doing sth)
bump
bumper
C （汽车前后的）保险杠
adj+n 丰收的，丰盛的；巨大的，大号的
bunch
a bunch of sth
C 串；束；扎(比如 花 钥匙 葡萄...)
a number of things of the same type which are growing or fastened together
大量
a bunch of sb
C 一伙/群人
the best/pick of the bunch
出类拔萃的人（或事物）；精英；精品
the best out of a group of people or things
vi/vt （使）变紧；（使）成皱褶
to become tight or to form tight folds; to make sth do this
~ (sth) (up)
bunches
[复数](British English) long hair that is divided in two and tied at each side of the head （扎在头两侧的）发辫
bundle
C（一）捆，包，扎
a number of things tied or wrapped together; sth that is wrapped up
C 婴儿
VT to push or send sb somewhere quickly and not carefully 匆匆送走；推搡；赶
VI （成群地）匆忙赶往
VT 额外免费提供（设备等）；（尤指出售计算机时）赠送软件
ˌbundle sth↔ˈup | ˌbundle sth↔toˈgether
to make or tie sth into a bundle 捆扎；把…打包
burden
bureau
ˈbjʊərəʊ
C 政府或组织机构的 局 所 司 处 属 ；办事处；
C （附抽屉及活动写字台的）书桌； 五斗橱
bureaucrat
ˈbjʊərəkræt
C 官僚，官僚主义者
bureaucratic
ˌbjʊrə'krætɪk
adj 官僚的 官僚主义的
bureaucracy
C 官僚制度 U 官僚作风 官僚主义
burglar
ˈbɜːɡlə(r)
C 破门盗窃者，盗贼
burglary
VAR 入室盗窃（罪）
burn
burst
VI/VT （使）爆裂，胀开
VI 猛冲；突然出现
VI 爆满；涨满
ˌburst ˈin | ˌburst into a ˈroom, ˈbuilding, etc.
闯进；突然破门而入
ˈburst into sth
突然爆发
ˌburst ˈin on sb/sth
（突然闯进而）打断，扰乱
burst on/onto sth
突然在…出现；突然显现
ˌburst ˈout
突然激动地喊叫
突然开始（做某事）
C 突发；猝发；迸发；爆破
C t 爆裂；裂口
bury
burial
U the act or ceremony of burying a dead body 埋葬；葬礼
bush
C 灌木； the bush （热带国家）荒野地带
If you tell someone not to beat about the bush, you mean that you want them to tell you something immediately and quickly, rather than in a complicated, indirect way
bushy
adj （毛发）浓密的；（植物）枝叶茂密的
business
U 商业；买卖；交易；生意
C 工商企业；公司；商店；商铺
U 业务量；营业额
Business was booming
生意兴隆。
U 任务；职责；工作
get down to ˈbusiness
着手处理正事；开始认真工作
have no business doing sth | have no business to do sth
无权做某事
out of ˈbusiness
停业；歇业
bust
vt
打碎，破坏（break）；
逮捕；
（警察）搜查
bust sb/sth (for sth)
adj 破碎，毁坏的；破产的，倒闭的
C 半身像；（女人的）胸部
busy
butcher
C 屠夫，肉贩；刽子手；a butcher=a butcher's 肉铺
vt 屠杀 ；宰杀；弄砸
butt
C 屁股；（武器或工具）较粗的一端，柄；烟头；（装液体用的）大桶
vt
to hit or push sb/sth hard with your head （人）用头顶撞
（动物）用头（或角）顶
if an animal butts sb/sth, it hits them or it hard with its horns and head
the butt of...
（嘲笑或批评的）对象，笑柄
If someone or something is the butt of jokes or criticism, people often make fun of them or criticize them.
butt in (on sb/sth)
vi to interrupt a conversation rudely 插嘴；打断说话
插手；干涉
butter
U 黄油vt 涂黄油于...
someone knows what side their bread is buttered on
明白自己的利益所在；善于为自己打算
If you say that someone knows what side their bread is buttered on, you mean that they know what to do or who to please in order to stay in a good situation or to avoid a bad one.
butterfly
C 蝴蝶；U蝶泳
have butterflies in your stomach or have butterflies
情绪紧张；心慌意乱；忐忑不安
If you have butterflies in your stomach or have butterflies, you are very nervous or excited about something.
button
扣…的钮扣
按钮
钮扣；扣子
buzz
vi 发出嗡嗡声 ；发出蜂鸣声
bypass
C（心脏）分流术，搭桥手术；绕过城镇中心的）旁道，外环路
vt. （sb/sth )绕行；绕过
vt. If you bypass someone or something that you would normally have to get involved with, you ignore them, often because you want to achieve something more quickly. （通常为更快地实现某事）越过，避开，绕开
bystander
C旁观者，局外人