汉语翻译
湾, 穴, 窦, 窦房结, 窦道, 鼻窦, 瘘, 瘘管
英语解释：
名词 sinus:
- an abnormal passage leading from a suppurating cavity to the body surface
同义词：fistula, sinus
- any of various air-filled cavities especially in the bones of the skull
同义词：sinus
- a wide channel containing blood; does not have the coating of an ordinary blood vessel
同义词：venous sinus, sinus