They have small ears, but their hearing is good.
尽管它们的耳朵很小,但听力却很好。
In other words, your ears continue hearing sounds, but you can't hear the sounds just because your brain ignores them.
换句话说,你的耳朵能持续听到声音,但只是因为你的大脑忽略了它们你才听不到。
Click tests are already used to check newborn babies' ears for signs of hearing difficulties, since the OAEs are weaker if the inner ear is defective.
人们已经使用嘀嘀声测试来检查新生儿的耳朵有无听力障碍,因为内耳有问题的话,则耳声发射就会比较微弱。
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