| n.（常與of連用）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,缺糧問(wèn)題更加嚴(yán)重。'vt.是及物動(dòng)詞，直接接所缺乏的東西就可以：缺乏；不足；沒(méi)有He lacks courage.他缺乏勇氣。Their actions lack consistency; they say one thing and do another.'他們言行不一,說(shuō)的是一回事,做的又是另一回事。'These photographs lack definition. You'd better have them taken again.'這些照片不夠清晰,你最好得重拍。'如果lack作動(dòng)詞時(shí)后面加in則必須是be lacking in這種形式：Is she lacking in courage?她缺乏勇氣嗎?如果lack作動(dòng)詞時(shí)后面加for則通常用于否定句：He lacks f |
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