1.[countableC]HPEMPTY a space that is completely empty of all gas, especially one from which all the air has been taken away 真空 →4 See picture on 见图 Page A3 Cleaning 清洁;打扫
3[singular]NOT HAVE a situation in which someone or something is missing or lacking 空白;空虚
create/leave a vacuum (in something)
Her husband’s death left a vacuum in her life.
丈夫的去世使她的生活变得空虚。
power/political/moral etc vacuum
the political vacuum caused by the ban on Communist Party activity
禁止共产党活动引发的政治真空状态
4in a vacuumSEPARATEexisting completely separately from other people or things and having no connection with them 在封闭状态中;与外界隔绝
The process of learning a language does not take place in a vacuum.
学习语言的过程在封闭状态下无法进行。
Examples from the Corpus
in a vacuum• Simplesuction is out, because gecko feet work perfectly, even in a vacuum.• Attitudes towards employment, retirement, and early retirement are not formed in a vacuum.• But these things don't happen in a vacuum.• These laws were not made in a vacuum.• It was a marriagein a vacuum, with two sweet children and all the material trappings of affluence and success.• The aerodynamic buffeting had stopped, and it was now spinning quietly in vacuum.• Any other action, like travelling faster or slowerin a vacuum, is forbidden.• The ironlungencased Virginia in a vacuum.
nCOLLOCATIONS – Meaning 3: a situation in which someone or something is missing or lacking
verbs
create 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 + vacuum
a power vacuum
The leader's sudden death created a power vacuum.
a political vacuum
Military leaders stepped in to fill the political vacuum.
vacuum• He vacuums a third time, for a few seconds longer.• I loved getting the housework done during the week and then playing on the weekend, all the vacuuming done.• Meanwhile, his receptionist can not vacuumfat, nor can she type as fast.• His chair having to be replaced after vacuuming in exactly the same position as before.• The inside has been vacuumed recently, too.• I stay in, play Bach on the earphones and vacuum the broadloom.• They sent him along to vacuum the carpets, but he wound up with his very own theatre to practice in.• Have you vacuumed the carpets?
ADJECTIVE | VERB + VACUUMADJECTIVE➤perfect完全真空▸➤cultural, moral, political, spiritual文化真空;道德真空;政治真空;精神空虛◇The writer criticized the moral vacuum in society.作家批評了社會的道德缺失。➤power權力真空◇Her resignation left a power vacuum in the government.她的辭職造成政府出現了權力真空。➤leadership領導層真空➤security安全真空VERB + VACUUM➤create, leave, produce製造/留下/產生真空◇The machine then creates a vacuum.這樣機器便製造出一個真空。➤fill填補真空◇Other gases rush in to fill the vacuum.其他氣體湧進來充滿真空。