There is one cavea on either side of the nose, which is called "maxillary sinus".
在鼻腔的两侧各有1个空腔,称为"上颌窦"。
There is one cavea on either side of the nose, which is called "maxillary sinus".
在鼻腔的两侧各有1个空腔,称为"上颌窦"。
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