The nasal cavity is connected to four sinuses which are air-filled spaces inside the bones that surround the nose, called the paranasal sinuses.
鼻腔和四个鼻窦相连,鼻窦是位于鼻腔周围含气的骨质腔,又称鼻旁窦。
单词 | paranasal |
释义 |
paranasal
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