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
Yeah. My new advanced exercise class.
对， 新的高级健身班。
Oh, yes.
噢，是的。
So much is certain: that we would have doctors and preachers,
虽然我们还会有医生和牧师、