名词
中文翻译：真空劣化
同义词：
['vacuum degradation', "vacuum failure例句：1. The vacuum in the room was so bad that it made the furniture look old.（房间里的真空太严重了，家具看起来都很旧。）2. The vacuum cleaner's battery died after a few hours of use.（吸尘器的电池在使用几个小时后就没电了。）"]
例句：
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1. The vacuum in the room was so bad that it made the furniture look old.
房间里的真空太严重了，家具看起来都很旧。
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2. The vacuum cleaner's battery died after a few hours of use.
吸尘器的电池在使用几个小时后就没电了。
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3.The vacuum system in the factory has been deteriorating over time due to neglect.
工厂里的真空系统因为忽视而逐渐恶化。