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
We must prepare ourselves to have a hard time.
我们必须准备过艰苦的日子。
Eat at pleasure, drink with measure.
随意吃饭，适度饮酒。
I don't know. What about this blue one?
我不清楚，这个蓝的怎么样？