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
I don't know.
我不知道。
The good seaman is known in bad weather.
坏天气才能认识良好的海员。
He said, Pauline is typing letters. She can't speak to you now!
他说：“波淋正在打信，她现在不能同你讲话！”