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
Thank you. I'd very much like to have a cup of Chinese tea.
我想来杯中国茶，谢谢你。
It's very nice of you to come and see me off.
您来给我送行，真是太客气了。
He is acting an old man.
他正扮演一个老人。