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
And don't forget to invite Susan for dinner.
别忘了请Susan来吃晚餐。
I've got to get this shirt washed and ironed.
我得把这件衬衫洗熨一下。
Which person do you think is qualified for the job?
你认为哪一个人能胜任这份工作？