Persistent urachus
[医] 久存性脐尿管
🧩 词语组成解析
persistent
[pə'sistənt]
adj. 持续的;坚持不懈的;持久的;坚持不渝;
脐尿管
🗣️ 情景例句
I'd better hit the books.
我最好勤奋学习。
I like my doggie.
我喜欢我的小狗。
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。