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TOEFL IELTS BNC: 5526 COCA: 4930

vacuum noun EMPTY SPACE

[ C or U ] a space from which most or all of the matter has been removed, or where there is little or no matter 真空

[ S ] a lack of something缺乏,空白

The withdrawal of troops from the area has created a security vacuum which will need to be filled.部队撤军之后,那个地区出现了一个有待填补的安全真空。
in a vacuum

kept separate from other people and activities似在真空中;与世隔绝

No artist works in a vacuum - we are all of us influenced by others.没有哪个艺术工作者可以脱离现实——我们都受到他人的影响。

vacuum noun CLEANER

[ C ] a vacuum cleaner 真空吸尘器(同 vacuum cleaner)

to use a vacuum cleaner to collect dust, dirt, etc.用吸尘器清扫

Vacuum (up) the cake crumbs, would you?请用吸尘器把面包屑清理掉,好吗?
TOEFL IELTS BNC: 5526 COCA: 4930
vacuum

noun

ADJECTIVE | VERB + VACUUM ADJECTIVEperfect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 + VACUUMcreate, 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。
TOEFL IELTS BNC: 5526 COCA: 4930
TOEFL IELTS BNC: 5526 COCA: 4930

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