Urachus
脐尿管
🗣️ 情景例句
How do you get to work everyday?
你每天怎样去上班？
Excuse me for interrupting.
对不起打扰你了。
They hope to finish in time for a trade summit between America and the EU on May 28TH.
他们希望尽早达成协议，为5月28日举行的美国和欧洲贸易的最高通级会议作准备。