音标:['vækjuəm] ;
n. 真空;真空吸尘器;空白
adj. 产生(利用)真空的
v. 用吸尘器打扫

vacuum的用法和样例:

例句

用作名词(n.)
  1. The food is kept in the absolute vacuum.这食物保存在绝对真空中。
  2. I bought a vacuum yesterday.昨天我买了个真空吸尘器。
  3. His wife's death left him a vacuum in his life.他妻子的去世使他的生活变得空虚。
用作形容词(adj.)
  1. These're vacuum controls.这是些真空控制装置。
用作动词(v.)
  1. Please vacuum the carpets after the breakfast.早饭后请用吸尘器清扫下地毯。
  2. I moved the chairs back so that I could start vacuuming.我将一把把椅子移开,以便开始吸尘打扫。

常见句型

用作名词(n.)
  1. Sound waves cannot travel through a vacuum.声波不能在真空中传播。
  2. I mean to buy a vacuum next month.下个月我打算买一台真空吸尘器。
  3. His resignation has left a power vacuum at the head of the party.他的辞职使得该党的领导位置出现了权力真空。
  4. His wife's death left a vacuum in his life.他妻子的去世使他的生活变得空虚。

词汇搭配

用作名词 (n.)
动词+~
  • fill a vacuum填补真空
  • produce〔create, cause〕 a vacuum产生〔制造〕真空
形容词+~
  • low〔rough〕 vacuum低真空
  • fine〔high, perfect〕 vacuum高真空
【近义词】

883 、 疲劳 fatigue 884 、 真空成形;真空吸塑 vacuumforming 885 、 真空成形机 vacuumformer 886 、 真空吸塑成形法 vacuummoulding 887 、 真实形状 trueshape 888 、 矩波形

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