sinus
noun /ˈsaɪnəs/
/ˈsaɪnəs/
- any of the hollow spaces in the bones of the head that are connected to the inside of the nose
- blocked sinuses
Word Originlate Middle English (in the medical sense): from Latin, literally ‘a recess, bend’.
| 单词 | sinus |
| 释义 | sinusnoun /ˈsaɪnəs/ /ˈsaɪnəs/
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