名词
中文翻译：自我清洁动作
同义词：
['self-cleaning system', 'self-cleaning mechanism']
例句：
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1.The robot has a self-cleaning action that can remove dirt from its surface.
这个机器人有一个自我清洁的动作，可以清除其表面的污垢。
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2. The self-cleaning action of the air purifier is very efficient.
空气净化器的自我清洁功能非常高效。
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3.The self-cleaning action of the car wash is to clean the car's exterior without touching it.
汽车清洗的自洁作用是清洁汽车的外部而不接触它。