Aortic valve
主动脉瓣
🧩 词语组成解析
a. 主动脉的\\n[医] 主动脉的
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
I'll have a contract
我会准备好一张合同
The best mirror is an old friend.
老朋友是最好的镜子。
Seeing a cake flying through the air, a lorry driver who was drawing up alongside the car, pulled up all of a sudden.
此时，一辆卡车正好从后边开到那辆汽车边上，司机看见一块蛋糕从天而降，紧急刹车。