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
When was your reservation?
您预定的是什么时候？
One wrong (or false) move can lose the whole game.
棋错一著，全盘皆输。
She is a strong swimmer and many people feel that she is sure to succeed.
她是一个游泳能手，很多人认为她一定能成功。