【有道】to make sth empty or dry by removing all the liquid from it; to become empty or dry in this way||with nothing new or interesting in it
arid
[ Adj , ] /ˈrɪd/
【有道】having little or no rain; very dry||with nothing new or interesting in it
【Example sentence】Many Namibians are subsistence farmers who live in the arid borderlands
【Translation】许多纳米比亚人都是居住在干旱边境地区自给自的农民
annual
[ Adj ] /ˈænjuəl/
【有道】happening or done once every year
region
[ C ] /ˈriːdʒən/
【有道】a large area of land, usually without exact limits or borders
【phrase】autonomous region 自治区
【phrase】special administrative region 特别行政区
graze
[ V , VN ] /ɡreɪz/
【有道】to eat grass that is growing in a field||to put cows, sheep, etc. in a field so that they can eat the grass there
【Example sentence】Sheep will graze in their own pasture.
【Translation】羊将在自己的草场吃草
vegetation
[ U ] /ˌvedʒəˈteɪʃn/
【有道】plants in general, especially the plants that are found in a particular area or environment
【Example sentence】The hills are covered in lush green vegetation.
【Translation】这片丘岭草木茂盛，郁郁葱葱。
desolate
[ Adj ] /ˈdesələt/
【有道】empty and without people, making you feel sad or frightened
【Example sentence】Numerous factories have sprung up in this once desolate erea.
【Translation】过去这一带满目苍凉，现在却有了无数的工厂。
【phrase】spring up 出现涌现，其中spring有向上而起之动态感
delicate
[ Adj ]/ˈdelɪkət/
【有道】easily damaged or broken||made or formed in a very careful and detailed way
【Example sentence】Tourists often disturb the delicate balance of nature on the island.
【Translation】观光客常常破坏岛上微妙的自然生态平衡
regulate
[ V ] /ˈreɡjuleɪt/
【有道】to control the speed, pressure, temperature, etc. in a machine or system||to control sth by means of rules
herd
[ U , V ] /hɜːd/
【有道】a group of animals of the same type that live and feed together
【Example sentence】A herd of goats wasnibbling the turf around the base of the tower.
【Translation】一群山羊正在啃着塔基周围的的的草皮
【phrase】a herd of 一群（牛、鹿等）
【phrase】herd behavior 羊群效应；从众；群体恐慌行为
Expalanation
I haven't finished the step 1 until CALD3 is installed.
So I check the words in YouDao Dictionary.
Then I will improve the details of 5 main words by going through the CALD3
6 detailed words
drain
[ I , T ] /dreɪn/
【Definition】If you drain something, you remove the liquid from it, usually by pouring it away or allowing it to flow away, and if something drains, liquid flows away or out of it
【Example sentence】We drained the pond and filled it with fresh water.
【Translation】我们排干了池塘再换满了清水
【synonyms/antonyms】
discharge
【Definition】to send out a substance, especially waste liquid or gas
substance
【Definition】material with particular physical characteristics
【Example sentence】This substance can stretche to any shape you want.
【Translation】这种物质可以拉伸成任何你想要的形状
【Example sentence】Large amounts of dangerous waste are discharged daily by the factory.
【Translation】每天都有大量的废水被工厂排出
arid
[ Adj ] /ˈrɪd/
【Definition】very dry and without enough rain for plants
【Example sentence】The desert is so arid that nothing can grow there.
【Translation】沙漠简直干到不能在那种植任何东西。
【synonyms/antonyms】
【phrase】run dry
【Definition】If a river or other area of water runs dry, the water gradually disappears from it
subarid
/sʌbær.ɪd/
【Definition】describes land or weather that is quite dry; having little rain
graze
[ I , T ] /ɡreɪz/
【Definition】to (cause animals to) eat grass
【Example sentence】The cows were grazing on this land in the summer months.
【Translation】夏日里奶牛们在这片草地上吃着草
【synonyms/antonyms】
browse
/braʊz/
【Definition1】(of animals) to feed on grass, leaves, etc.
【Example sentence】Deer were browsing ( on grass) under the trees.
【Translation】鹿在树下吃草。
【Definition2】to look through a book or magazine without reading everything, or to walk around a shop looking at several things without intending to buy any of them.
【Example sentence】"Are you looking for anything in particular, madam?" "No, I'm just browsing."
【Translation】“夫人，您要买什么特别的东西吗？”“啊没有，我就随便看看。”
vegetation
[ U ] /ˌvedʒəˈteɪʃn/
【Definition】plants in general or plants which are found in a particular area
【Example sentence】The railway track will have to be cleared of vegetation if it is to be used again.
【Translation】若要重新启用这条铁路，就必须将植被清除
desolate
[ Adj ] /ˈdesələt/
【Definition】describes a place that is empty and not attractive, with no people or nothing pleasant in it
【Example sentence】Numerous factories have sprung up in this once desolate erea.
【Translation】过去这一带满目苍凉，现在却有了无数的工厂。
【phrase】spring up 出现涌现，其中spring有向上而起之动态感
【synonyms/antonyms】
bleak
/bli:k/
【Definition】If weather or a place is bleak, it is cold, empty and not welcoming or attractive
【Example sentence】The house stands on a bleak, windswept moor.
【Translation】房子坐落在被风吹得荒凉的荒野上。
delicate
[ Adj ] /ˈdelɪkət/
【Definition1】needing careful treatment, especially because easily damaged
【Example sentence】Delicate plants need to be kept in a greenhouse during the winter.
【Translation】在冬天，需要在温室里培养脆弱的植物们
【Definition2】a situation or matter, etc. that needs to be dealt with carefully in order to avoid trouble or offence
【synonyms/antonyms】
fragile
【Definition】easily damaged, broken or harmed
brittle
/brɪt.l ̩/
【Definition】delicate and easily broken
【Example sentence】The pond was covered in a brittle layer of ice.
【Translation】池塘被一层易碎的薄冰覆盖着
pond
【Definition】an area of water smaller than a lake, often artificially made
Word Function
[Improver]: the word helps you improve beyond basic English
[Advanced]: the word makes you sound advanced
[Essencail]: A common, useful, and improtant word you have to know
