n.(常与of连用)缺乏;需要There is no lack of vegetable.蔬菜不缺。The lack of rain aggravated the serious lack of food.'由于干旱少雨,缺粮问题更加严重。'vt.是及物动词,直接接所缺乏的东西就可以:缺乏;不足;没有He lacks courage.他缺乏勇气。Their actions lack consistency; they say one thing and do another.'他们言行不一,说的是一回事,做的又是另一回事。'These photographs lack definition. You'd better have them taken again.'这些照片不够清晰,你最好得重拍。'如果lack作动词时后面加in则必须是be lacking in这种形式:Is she lacking in courage?她缺乏勇气吗?如果lack作动词时后面加for则通常用于否定句:He lacks f |
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