Earwax/ cerumen, 耳垢/ 耳屎

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神秘的耳屎 - BBC 主页
http://www.bbc.com/ukchina/trad/vert_fut/2016/05/160516_vert_fut_the-mysterious-properties-of-the-wax-in-your-ear

Earwax - Wikipedia, the free encyclopedia

Earwax, also known as cerumen

耳垢，學名耵聹，俗稱耳屎