Urachus
脐尿管
🗣️ 情景例句
May I look it over?
我可以过目一遍吗？
Would you mind closing the window for me?
能帮我关一下窗户吗？（你介意关下窗户吗？）
No, it isn't. Ask that woman. I think it's her bike.
不，不是我的。问问那个妇女吗。我想这是她的自行车。