She could not go through that a second time.
她再也经不起那样的事了。
分数词
由基数词和序数词构成，分子用基数词，分母用序数词，分子大于1时候，作分母的序数词要用复数形式
two-thirds of the students三分之二的学生
1分子/4分母 one-fourth
5（分子大于1）/9 five-ninths
概数的表达
多于，超过，在什么之上
over/above/more than+数字
a price over/above/more than fifty dollars。先翻译后面，一个超过五十美元的价格
低于，不到，在什么之下
under/below/less than +数字
He appeared to be less than fifty years old.
接近，几乎
almost/nearly+数字
大约，左右
about/somewhere around/ approximately/roughly/more or less/some+数字
This temple was built somewhere around 500 B.C.
在……之间
➢ from+数字+to+数字
➢ between+数字+and+数字
➢ anywhere from+数字+to+数字
➢ anywhere/somewhere between+数字+and+数字
Anywhere from forty to fifty minutes might have passed.
倍数的表达
表示倍数时候：一倍once ， 两倍：twice/double ，三倍以上：基数词+times
quadruple四倍
triple 三倍
quintuple五倍
倍数+as many/much (...)as(...)
We have produced three times as many computers as we did last year.
倍数+the size of +(...) 什么什么的面积/长度/宽度（物理度量）或价钱，只有这四种，不能改成其他的，size可以改成price
The earth is 49 times the size of the moon.
A new laptop costs about ___d____ of a second-hand one. A. the price of three times句型错了
B. three times the price
C. as much as the three times price句型错了
D. three times more than the price
倍数+what从句
The length of the road is twice/double what it was three years ago.
倍数+比较级+than
The house is ten times bigger than that one.
比较级+than……+by+倍数程度
The line is longer than that one by twice.
概数+数字的表达+复数单位
约有3.5亿农村人口• about 350 million rural populations
nearly four hundred thousand international
students 近四十万国际学生
more than 400 billion yuan 超过 4，000 亿元。美元加s
about 12 billion parcels 大约120亿件包裹。
中国约有4.2亿网民about 420 million netizens
量词
在所修饰的词前面
a number of ；plenty of；an amount of；a good many of a quantity of；a couple of；a ton of；a load of；a mass of
有些可用复数形式
numbers of；quantities of；tons of；lots of；masses of
