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
I'm not only willing to help, I'm willing and able.
我不但示意帮忙，而且能够帮上忙。
It says a storm may come next month.
天气预报说下个月会有一场暴风雨。
Are you going to ship this by air?
这批货你要用空运的吗？