vacuum

美音：['vækjum] 英音：['vækjʊəm]

简单释义：

n.真空；真空状态；空虚；空白

adj.真空的；用以产生真空的；利用真空的

v.用真空吸尘器清扫

网络真空度；用吸尘器打扫；负压

变形：

第三人称单数：vacuums 现在分词：vacuuming 过去式：vacuumed

完整释义：

1.用真空干燥机干燥
2.用吸尘器扫除

1.真空;空处,空虚,空白
2.真空;真空度
3.真空膜盒
4.真空蒸发器
5.负压
6.〔美口〕吸尘器
7.空档
8.茫然若失;心中无数的状况

adj.

1.用以产生真空的
2.利用真空的

例句：

The ratio between the speed of light in a vacuum and that in a material is known as the material's refractive index.
光在真空中的速度与在物体内速度的比率被称为物体的折射指数。
A great deal of non-profit developmental work takes place in a vacuum, without controlled monitoring or scientific evaluation.
许多非营利性发展项目都是盲目进行，没有科学的监测与评价。
It is possible to make such a battery with a solid electrolyte, but until now that has been done by a process called vacuum deposition.
使用某种固态电解质制作该类电池是有可能的，但迄今为止这要通过一种被称为“真空沉积”的制作工艺来完成。
For an astronaut in space, the suit is all that stands between you and the deadly airless vacuum outside.
但是，对于宇航员来说，宇航服是将其与外界致命真空隔离开来的唯一物体。
If you just can't bring yourself to vacuum, wipe and dust once a week, there are services that will do it for you.
如果你不想被孤立的话，每周打扫一次，有人会帮你服务。
With no bag and a number of space age design features, it was unlike any other vacuum cleaner.
没有袋和大量的太空时代的设计特点，这是与任何其他的真空吸尘器不同。
This vacuum, which had been temporarily filled by the U. N. , now poses the threat of chaos.
这个权力的真空，以前是暂时由联合国填补，现在却是国家动乱的一个重要威胁。
Most easterners seem to realise how valuable it was that a united leadership filled the power vacuum so quickly.
大部分班加西人似乎意识到，团结一致的领导阶层如此快速地填补权力真空是多么的弥足珍贵。

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