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TOEFL IELTS BNC: 5526 COCA: 4930
vacuum
noun /ˈvækjʊəm/
singularvacuum
pluralvacuums
  1. 1
    [C] physics a space that has had all the air and any other gases removed from it 真空
     Synonyms and related words
    Empty space: emptiness, space, void...
  2. 2
    [singular] a feeling that something is missing, or a situation in which something is missing 空虚感;真空般的状态
    political/power vacuum :

    the political vacuum left by his unexpected death 他的意外死亡留下的政治真空

    create a vacuum :

    The collapse of the dictatorship created a vacuum in which criminal gangs flourished. 那个独裁政府的垮台形成了一个犯罪团伙十分猖獗的真空。

    fill a vacuum (=replace something) 填补空白 :

    They need something to fill the vacuum left by the end of Marxism. 他们需要一些东西来填补马克思主义结束后留下的空白。

     Synonyms and related words
  3. 3
    [C] a vacuum cleaner 真空吸尘器
     Synonyms and related words

phrases

vacuum
verb [I/T] /ˈvækjʊəm/
present tense
I/you/we/theyvacuum
he/she/itvacuums
present participlevacuuming
past tensevacuumed
past participlevacuumed
  1. to clean a room using a vacuum cleaner 用真空吸尘器打扫
     Synonyms and related words
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

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