Circulus umbilicalis
[医] 脐动脉丛
🧩 词语组成解析
[医] 环, 圈
🗣️ 情景例句
I've got to call a caterer.
我应该给宴会承办者打一个电话。
When does it arrive?
什么时候到那儿？
Most of the parents will not be able to pay much money.
多数家长是付不起很多钱的。