Book3 Unit2 单词和短语 1.diet 1）N 日常饮食

be/go on a diet 节食

put sb on a diet 控制某人饮食

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2）vi节食

No sugar in my coffee, please. I’m dieting. The doctor advised him to be/go on a diet to lose weight.

The doctor put him on a diet after operation She’s always dieting_ but

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she never seems to lose any weight .

2.balance N 天平；平衡

keep/lose one’s balance 保持/失去平衡

a balance between A and B

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平衡A与B的关系

keep the balance of nature 保持生态平衡

a sense of balance 平衡感

2）vt平衡；权衡

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