Arteriae umbilicalis
[医] 脐动脉
🗣️ 情景例句
You do? Really? It won't be any trouble?
有， 真的， 不会有任何麻烦？
Not yet.
还没有。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？