Umbilicus
n. 脐, 中心\\n[医] 脐
📖 牛津释义
umbilicus
n
(anatomy 解) navel 脐.
🗣️ 情景例句
We have no collateral.
我们没有担保物。
Silence in times of suffering is the best.
遭到不幸时，沈默是上策。
Both the police and the workmen were grateful to the student for this piece of advance information.
警察与工人都对那个学生事先通报情况表示感谢。