n.真空；真空吸塵器；空白
adj.產(chǎn)生（利用）真空的
v.用吸塵器打掃
The food is kept in the absolute vacuum. 這食物保存在絕對真空中。
I bought a vacuum yesterday. 昨天我買了個真空吸塵器。
His wife's death left him a vacuum in his life. 他妻子的去世使他的生活變得空虛。
用作形容詞 (adj.)These're vacuum controls. 這是些真空控制裝置。
用作動詞 (v.)Please vacuum the carpets after the breakfast. 早飯后請用吸塵器清掃下地毯。
在科技用語中vaccum的復(fù)數(shù)形式是 vacua。
vacuum還可用作動詞,作“用真空吸塵器清掃(某物)”解。例如:I vaccum the carpet twice every week.我每周用吸塵器打掃地毯兩次。
