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
Now stand up, please.
现在站起来。
The longest way round is the shortest way home.
绕道似最远，归程是捷径。
He devoted his life to the study of science.
他把毕生献给科学研究。