sinus
noun /ˈsaɪnəs/
/ˈsaɪnəs/
- any of the hollow spaces in the bones of the head that are connected to the inside of the nose
窦;窦道 - blocked sinuses
窦性传导阻滞
词源late Middle English (in the medical sense): from Latin, literally ‘a recess, bend’. - blocked sinuses