[N-COUNT 可数名词]空位；空缺；空白 If someone or something creates a vacuum, they leave a place or position which then needs to be filled by another person or thing.
[usu sing]
The collapse of the army left a vacuum in the area...
这支军队的溃败使这个地区出现了军事真空。
His presence should fill the power vacuum which has been developing over the past few days.
他的出现将填补过去这几天形成的权力真空。
2
[PHRASE 短语]在封闭状态中；与外界隔绝 If something is done in a vacuum, it is not affected by any outside influences or information.
[PHR after v]
Moral values cannot be taught in a vacuum...
道德价值观的教育不能脱离实际。
We lived in a vacuum — no life, no news, no books.
我们生活在与世隔绝的环境里——没有其他生物，收不到外界消息，也没有书看。
3
[VERB 动词]用真空吸尘器打扫 If you vacuum something, you clean it using a vacuum cleaner.
[V n]
[V]
I vacuumed the carpets today...
今天我用吸尘器清洁了地毯。
It's important to vacuum regularly.
定期用吸尘器吸尘很重要。
4
[N-COUNT 可数名词]真空 A vacuum is a space that contains no air or other gas.
[usu sing]
Wind is a current of air caused by a vacuum caused by hot air rising...
风是由于热空气上升产生真空导致的一种气流运动。
The spinning turbine creates a vacuum.
旋转的涡轮形成了一块真空区域。
Oxford
vac·uum/ˈvækjuəm; NAmEˈvækjuəm/
noun
,
verb
vacuumvacuumsvacuumedvacuumingnoun1a space that is completely empty of all substances, including all air or other gas 真空◆a vacuum pump (= one that creates a vacuum) 真空泵◆vacuum-packedfoods (= in a package from which most of the air has been removed)真空包装的食品2[usually singular ]a situation in which sb/sth is missing or lacking 真空状态；空白；空虚◆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[usually singular ]the act of cleaning sth with a vacuum cleaner（用真空吸尘器所做的）清洁，清扫◆to give a room a quick vacuum用吸尘器把房间迅速清扫一下IDIOMin a ˈvacuumexisting separately from other people, events, etc. when there should be a connection 与世隔绝；脱离实际◆This kind of decision cannot ever be made in a vacuum.这种决定绝不能脱离实际。verb[transitive , intransitive ]vacuum(sth) to clean sth using a vacuum cleaner用真空吸尘器清扫SYN
hoover
◆Have you vacuumed the stairs?你用吸尘器清扫楼梯了吗？vac·uum/ˈvækjuəm; NAmEˈvækjuəm/
LDC
vacuum1 noun
vacuum2 verb
vacuumvac‧u‧um1 /ˈvækjuəm, -kjʊm/ ●●○ noun
Word Origin
Examples
word sets
Collocations
Phrases
1[countable] a space that is completely empty of all gas, especially one from which all the air has been taken away2[countable] a vacuum cleaner3[singular] a situation in which someone or something is missing or lackingcreate/leave a vacuum (in something) Her husband’s death left a vacuum in her life.power/political/moral etc vacuum the political vacuum caused by the ban on Communist Party activity4in a vacuum existing completely separately from other people or things and having no connection with them: The process of learning a language does not take place in a vacuum.COLLOCATIONS– Meaning 3verbscreate a vacuum· His sudden departure created a vacuum at the head of the company.leave a vacuum· The disappearance of religious beliefs has left a vacuum in many people's lives.fill a vacuum· What political ideas have filled the vacuum left by the fall of communism?adjectivesADJECTIVES/NOUN + vacuuma power vacuum· The leader's sudden death created a power vacuum.a political vacuum· Military leaders stepped in to fill the political vacuum.a moral vacuum (=a lack of moral standards)· Many children are growing up in a moral vacuum.a policy vacuum· There is a policy vacuum on climate change.
vacuum1 noun
vacuum2 verb
vacuumvacuum2 ●●○ verb [intransitive, transitive]
Verb Table
Examples
Thesaurus
to clean using a vacuum cleaner
open
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