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
Their life together has been wonderfully happy.
他们在一起的生活极为幸福。
What's goes on here?
什么事？
I didn't know he was the richest person in the world.
我不知道他是世界上最有钱的人。