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middle ears

middle ears

middle ears

middle ears

1

You're basically opening up the tubes that drain fluid from the middle ears , which have had them reliably full.

基本上，我们打开自中耳排出液体的管子，它们充满了液体。

2

The eustachian tubes connect the middle ears to the pharynx , allowing air pressure on the eardrum to be equalized.

咽鼓管将中耳连接到咽上，可调节作用在鼓膜上的气压。

4

Sound transmission in the external or in the middle ears

外耳和中耳的传音作用

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