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英语学习:考研必背核心词组

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  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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