Umbilicus
n. 脐, 中心\\n[医] 脐
📖 牛津释义
umbilicus
n
(anatomy 解) navel 脐.
🗣️ 情景例句
Now the hard work begins.
艰苦的工作现在开始了。
Everything has its time and that time must be watched.
任何事情都有好的时机，不要随意放过。
Yes. In fact, I'm on our city team.
是的，事实上，我是我们市队的队员。