释义 |
vac·u·um AHD[văkʹyo͞o-əm, -yo͞om, -yəm] D.J.[ˈvækjuːəm, -juːm, -jəm]K.K.[ˈvækjuəm, -jum, -jəm]n.(名词)【复数】 vac.u.ums 或 vac.u.a [-yo͞o-ə] 缩写 vac.- Absence of matter.真空:没有东西
- A space empty of matter.真空
- A space relatively empty of matter.相对真空
- A space in which the pressure is significantly lower than atmospheric pressure.真空般状态:压强明显比大气压强低得多的空间
- A state of emptiness; a void.空白状态;空白
- A state of being sealed off from external or environmental influences; isolation.封闭状态:与外界或环境影响隔绝的状态;隔离
- pl. vac.uums A vacuum cleaner.【复数】 vac.uums 真空吸尘器
adj.(形容词)- Of, relating to, or used to create a vacuum.真空的,与真空有关的,用来制造真空的
- Containing air or other gas at a reduced pressure.低压气体的:在减弱的压强之下含有空气和其他气体的
- Operating by means of suction or by maintaining a partial vacuum.抽真空的:用吸取的方式或用维持部分真空的方式来运作的
v.tr.intr.(及物动词和不及物动词)vac.u.umed, vac.u.um.ing, vac.u.umes - To clean with or use a vacuum cleaner.使用真空吸尘器(打扫)
- Latin [empty space] [from neuter of] vacuus [empty] 拉丁语 [空处] 源自vacuus的中性词 [空的]
- from vacāre [to be empty] * see eu- 2源自 vacāre [使…空] * 参见 eu- 2
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