Urachus
脐尿管
🗣️ 情景例句
No, no, you were right. I was wrong.
确实不容易 说对了。我错了。
Wise men chanbge their mind, fools never.
聪明人随机应变，愚蠢者固执己见。
I'm allowed to change the colour of my hair, she said angrily.
我改变自己的发色是允许的，"她愤怒地说。