每日口說挑戰 耳屎有什麼作用呢？ (Why Do We Need Earwax?)

今日挑戰句子

Now, your cerumen is protecting you from infection, lubricating your ears, and it’s keeping a health record for your doctor. But even knowing all of that, there are those of you who will totally wanna get rid of it.

現在，你的耳垢再保護你免受感染、潤滑你的耳朵及為醫生記錄你的健康史。但即使知道這麼多好處之後，還是有人千方百計地想要除掉耳屎。