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。
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。
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.
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