Urachus
脐尿管
🗣️ 情景例句
You ordered enough for three or four people,but I'm not complaining.
你叫了够三到四个人吃的菜，但我毫不在意。
This is a revolutionary new product.
这是一种革命性的新产品。
There was a murder in London yesterday.
昨天伦敦发生了一起谋杀案。