名词中文翻译
中文翻译：前真空
同义词：
['front vacuum', 'frontal vacuum例句：1. The air in the room was so thick that we could hardly breathe.（房间里的空气太浓了，我们几乎喘不过气来。）']
例句：
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1. The air in the room was so thick that we could hardly breathe.
房间里的空气太浓了，我们几乎喘不过气来。
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2. The engineer used a fore vacuum to remove the dust from the floor.
工程师使用前真空来清除地板上的灰尘。
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3. During the operation, the fore vacuum was used to suck up the liquid.
操作过程中，使用了前真空来吸取液体。