Mercier's valve
[医] 梅尔西埃氏瓣(输尿管襞)
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
It's a privilege to know you.
认识您是我的荣幸。
How would I know?
我怎么知道？
This evening the cave was ours. It belonged to no one else.
今天晚上，山洞是我们的，它不属于别人。