Home » Slanguage Corner » 隐形噪音 (yǐn xíng zào yīn)Invisible noise

隐形噪音 (yǐn xíng zào yīn)Invisible noise

Invisible noise

隐形噪音 (yǐn xíng zào yīn)

Low decibel noises coming from home appliances such as refrigerators, air conditioners and electric fans as well as from nature such as the sound of leaves rustling.


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