vacuum

美 [ˈvækjum]
英 [ˈvækjʊəm]
  • n.真空;真空状态;空虚;空白
  • adj.真空的;用以产生真空的;利用真空的
  • v.用真空吸尘器清扫
  • 网络真空度;用吸尘器打扫;负压
复数:vacuums  复数:vac-ua  现在分词:vacuuming  过去式:vacuumed  
vacuum
n.
1.
真空a space that is completely empty of all substances, including all air or other gas
a vacuum pump(= one that creates a vacuum )
真空泵
vacuum-packed foods(= in a package from which most of the air has been removed)
真空包装的食品
2.
[ususing]
真空状态;空白;空虚a situation in which sb/sth is missing or lacking
His resignation has created a vacuum which cannot easily be filled.
他的引退造成了难以填补的空白。
3.
[ususing]
(用真空吸尘器所做的)清洁,清扫the act of cleaning sth with a vacuum cleaner
to give a room a quick vacuum
用吸尘器把房间迅速清扫一下
IDM
This kind of decision cannot ever be made in a vacuum.
这种决定绝不能脱离实际。
in a vacuum
与世隔绝;脱离实际existing separately from other people, events, etc. when there should be a connection
This kind of decision cannot ever be made in a vacuum.
这种决定绝不能脱离实际。
v.
1.
[t][i]
~ (sth)
用真空吸尘器清扫to clean sth using a vacuum cleaner
Have you vacuumed the stairs?
你用吸尘器清扫楼梯了吗?

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