Ball's valve
[医] 鲍尔氏瓣, 莫尔加尼氏瓣
🧩 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
Sorry, but she is with someone right now.
抱歉，她正在会客。
It's nice meeting you.
很高兴认识你。
We welcome the seasons by the riverside,
我们在河边迎接一年四季。