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
What's your trade-in policy?
这里对汽车是怎样做折价处理的？
You play the piano beautifully.How much do you practice every day?
你完美地弹钢琴,你每天花多少时间练习？
and should never be added to drinking water.
永远不能掺入饮用水。