名词
中文翻译：Unknown
同义词：
['vacuum', 'vacuum state', 'vacuum chamber']
例句：
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1. The vacuum cleaner is very efficient at cleaning hard-to-reach areas.
真空吸尘器在清洁难以到达的区域方面非常高效。
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2. The vacuum state of the atmosphere was a result of the volcanic eruption.
大气的真空状态是由于火山喷发的结果。
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3. The vacuum chamber was used to remove impurities from the gas.
真空室被用来从气体中去除杂质。