In-ear headphones are better than over-the-eat ones because they can stop more outside noise.
入耳式耳机比头戴式的更好,因为它们可以阻隔更多的外界噪音。
Ear infections are common in preschool children.
耳朵感染在学前儿童中很常见。
Hard hats and ear protectors are provided.
提供安全帽和护耳。
If you are a good person, you will lend an ear to your friends.
VOA: special.2009.09.13
And this means that the yellow cells on the right side are mouse hair cells in a chicken inner ear.
也就是说,右边黄色部分,代表的是小鸡内耳中的老鼠细胞。
And after a toxic insult, they are gone. This is what the inner ear of a person who is deaf looks like.
受到损伤后,毛细胞没了,耳朵失聪的人的内耳就是这幅摸样。
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