Why do we have ear wax?
本文作者： TEENS
耳垢存在的作用是什么？词数 150 建议阅读时间 4分钟Ear wax has some important jobs. It works just like tears do. Our tears make our eyes wet. Ear wax keeps our ears wet too. Without ear wax, the inside of our ears will become dry and itchy (发痒的). |  |
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