lack

英[læk]美[læk]

n.[U]
缺乏，匮乏，短缺
v.[I]
没有，缺乏，不足，短缺

同：	[n.] deficiency, want [v.] miss
反：	[v.] feature, have

lack，need，want，require

这些动词均有“缺少、短少”之意。
lack指完全短缺或数量不足。
need语气较重，指需要必不可少的东西，强调急需。
want侧重缺少某种必需之物，或个人渴望得到的东西。
require使用广泛，语气较轻。强调急需时可与need换用，但有时暗示所需的人或物是完成某一任务必不可少的。

The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.
缺少腐殖质和过度淋滤使这种土壤对农业几乎无用。收藏
Lack of consistency or homogeneity;adulteration.
搀杂;不纯缺乏一贯性或同质性;搀杂收藏
The lack of air in the room make everyone sniffle.
屋子里空气缺乏，使得每个人都频频吸气。收藏
When Chen's turn came last, she sang the same two songs, but her voice was unpleasant and utterly lack lustre as if she were no longer her old self
陈伊玲是参加复试的最后一个人，唱的还是那两支歌，可是声音发涩，毫无光彩，听起来前后判若两人。收藏
Fishes in a public aquarium grow loquacious, oblivious of their lack of privacy.
鱼缸里的鱼变得过于健谈，根本不在意自己没有隐避处。收藏

　　　 more...

the state of needing something that is absent or unavailable
- there is a serious lack of insight into the problem
- water is the critical deficiency in desert regions
- for want of a nail the shoe was lost
[同] deficiency, lack, want

be without
- This soup lacks salt
- There is something missing in my jewellery box!
[同] lack, miss
[反] feature, have

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