Valve disc
[化] 阀碟
🧩 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;
disc
[disk]
n. 圆盘;唱片;磁盘;
🗣️ 情景例句
Is there any discount on bulk purchases?
我多买些能打折吗？
One cannot make a silk purse out of a sow's ear.
朽木不可雕。
The Cutty Sark rolled from side to side and it became impossible to steer her.
船身左右摇晃，无法操纵。