(完整版)人教版必修三unit2单词讲解

1．diet ①n. 日常饮食

健康的饮食a healthy diet 均衡的饮食a balanced diet 正在节食的人不能吃巧克力。

控制饮食，节食be/go on a diet eg. 正在节食的人不能吃巧克力。People who are on a diet can’t eat chocolate.

使某人节食put sb. on a diet eg. 我的医生严格限制我的饮食。My doctor strictly put me on a diet.

②v. 节食,限制（他人或自己的）饮食

eg. 她正在节食减肥。She is dieting to lose weight.

我的医生严格限制我的饮食。My doctor strictly dieted me.

diet 可数名词，指的是习惯的日常食物或因病或减肥而规定的食谱。

food一般的词语，凡是能吃喝的东西都可称作food

2. protective adj. 给予保护的，保护的protect v. 保护protection n. 保护protector n. 保护者

3. balance ①v. 使平衡，权衡eg为了平衡贸易,他们将不得不减少在美国购货。In order to balance their trade, they would

have to buy less goods in the United States.

②n. 天平，平衡

4. roast adj. 烤制的roast duck /chicken

v. 烤，烘烤stir-fry炒; stew炖/焖; boil煮; steam蒸;fry炸/煎

5. ought v. aux. 应该

ought to①应该，情态动词，只有一种形式，没有人称和数的变化

②ought的否定形式由直接加not构成ought not to (oughtn't to )，疑问式将ought提到句首构成。

③反意疑问句里He ought to be here, oughtn't he?

④ought to have done本应该做某事（实际没做）ought not to have done本不应该做（实际做了）

6. curiosity n. 好奇心,求知欲→curious adj. 好奇的→curiously adv. 好奇地

Satisfy one’s curiosity 满足某人的好奇心show one’s curiosity about 对…表现出好奇

他的答复丝毫没有满足我的好奇心His reply didn’t satisfy my curiosity at all.

be curious about/to do

7. get away with 被放过，（做坏事）不被惩罚

If students cheat in the exam, they’ll never get away with it.

Two clerks robbed the bank and got away with a lot of cash.

The driver was lucky to get away with only a fine.

[链接] get along/on with 相处,进展get out of 从…中出来; 摆脱get over 克服get down to 开始着手

get behind with = fall behind with落后于…get through 完成(任务), (电话)接通

8. lie n. 谎言tell a lie/tell lies 说谎

lie v. : lie- lied –lied- lying______/ lay- laid- laid- laying_______/ lie- lay- lain- lying_______;

The man lying there lied that he had laid the money on the table/He laid the carpet on the floor and then lay on it./ He is lying . The cat is not on the roof. It's lying under the table.

9. discount n. 折扣give/make/allow a discount (on)…打折buy/get/sell sth at a discount 以打折价买/卖…

如果我买一整箱酒你们能打折吗? Do you give me any discount if I buy a whole box of wine?

我以四折的价格买了这条裙子I bought this dress at a discount of 60%.

v. 打折; 不理会,不重视(ignore) 对他说的话你不必当真You can discount what he said.

10. strength n. 强项；长处；(人的)力气，力量≠weakness n. 弱点

Maths is his strength. 数学是他的强项。We rely on the strength of the people. 我们依靠人民的力量。

strengthen vt.加强

11. consult vt. 查阅;请教consult sb. 请教某人; consult sth. 查阅…

consult with sb. 和某人商量查字典: consult the dictionary/look up a word in the dictionary/refer to a dictionary consultation n. 商讨,咨询

12. digest: bite---chew----swallow---digest----absorb-----pee/fart/poop;

Some books are to be tasted, others to be swallowed, and some few to be chewed and digested. digestion n.

13. earn one’s living (by doing sth.)= make one’s living (by doing sth.)= do sth for a living 通过…谋生

我的一个朋友靠卖保险为生One of my friends earns his living by selling insurance.