sinus

美 [ˈsaɪnəs]英 ['saɪnəs]
  • n.窦;窦道
  • 网络鼻窦;静脉窦;窦房结

复数:sinuses

sinussinus

sinus

n.

1.窦;窦道any of the hollow spaces in the bones of the head that are connected to the inside of the nose

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