sinuses

汉语翻译

英语解释：

名词 sinus:

1. an abnormal passage leading from a suppurating cavity to the body surface
   同义词：fistula, sinus
2. any of various air-filled cavities especially in the bones of the skull
   同义词：sinus
3. a wide channel containing blood; does not have the coating of an ordinary blood vessel
   同义词：venous sinus, sinus