名词
中文翻译：真空
同义词：
['vacuum', 'vacuum state', 'vacuum chamber']
例句：
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1. The vacuum cleaner is designed to suck up dust and dirt.
真空吸尘器设计用来吸走灰尘和污垢。
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2. The vacuum cleaner was used to clean the floor before we started our party.
在开始我们的派对之前，我们用真空吸尘器来清洁地板。
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3. The vacuum cleaner has a powerful motor that can suck up even the smallest particles.
这款真空吸尘器拥有一个强大的电机，可以吸起最小的颗粒。