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
In the rain?
在雨中？
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。
It was warm last Sunday, so I went and sat on the river bank as usual.
上星期日天气很暖和。于是我和往常一样，又去河边坐着。