英语学习:考研必背核心词组
on a diet 吃某种特殊饮食, 节食
diet 原始涵义:名词 n.
1.日常饮食,日常食物
2.规定饮食,规定饮食的时期
vt. & vi. (使)节制饮食 He is dieting.他在节食。
不及物动词 vi.
节食;进规定饮食
造句:You must go on a diet because you are too fat.
你必须限定饮食因为你太胖了。
differ from…in 与…的区别在于…
differ 原始涵义:vi.
1.不同, 有异
Nylon and silk differ.尼龙与丝绸不同。
2.持异议
The two brothers differed about politics.这兄弟俩政见不同。
真 题 重 现 : When at four, a child's language differs from that of his parents in style rather than grammar.(1993 阅读)
造句:Things in the world differ from each other in a thousand ways.
世界上的事物是千差万别的。
in difficulties…有困难,处境困难,
造句:You can always fal back upon him when in difficulties
遇到困难时,你随时可以找他帮忙。
discharge sb. (from)…for 因…解雇, 开除
同义替换:= dismiss sb. From… for
discharge 原始涵义:vt.
1.卸船
2.偿还
He has discharged his debts.他已把债务偿清。
3.执行; 履行
She discharged all the responsibilities of a minister conscientiously.
她自觉地履行部长的一切职责。
4.免…的职,撤职;解雇,开除;使退伍
The boss discharged her because of her absence.老板因她缺勤而把她解雇了。
fal back 撤退; in disorder 慌乱地, 狼狈不堪
fall back 同义替换:= retreat=turn back
造句:Our attack was so vigorous that the enemy had to fall back.
我们的进攻是那样猛烈,使得敌人不得不撤退。
Badly beaten, the intruders fell back in disorder.
入侵者受到重创,狼狈溃退。
【(公众号:张鹏辉讲考研英语)】
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