earwax
noun [ U ] uk/ˈɪə.wæks/ us/ˈɪr.wæks/
耳垢，耳屎
the yellow sticky substance that forms in the outer ear
Earwax is designed to coat the inside of the ear canal to trap pollutants. 耳垢本来就覆盖在耳道内部以阻挡污染物。
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