Decidual umbilicus
[医] 蜕膜脐
🧩 词语组成解析
[医] 蜕膜的
n. 脐, 中心\\n[医] 脐
🗣️ 情景例句
I've been saving them for today.
我一直留着等今天才戴。
He is a doctor. He has his own practice.
他是个医生，他自己开业。
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。