Amniotic umbilicus
[医] 羊膜脐
🧩 词语组成解析
a. 羊膜的\\n[医] 羊膜的
n. 脐, 中心\\n[医] 脐
🗣️ 情景例句
My gas tank's sprung a leak
我的油箱漏油了。
It's been 5 years since I last saw you.
我已5年没见你了
This letter's full of mistakes. I want you to type it again.
这封信里错误百出。我要你重打一遍。