Valve cylinder
[化] 阀筒
🧩 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
I'm sorry, I didn't mean to bother you.
对不起，真不想打扰你。
Bees that have honey in their mouths have stings in their tails.
口蜜腹剑。
Before it becomes a retirement village,
在硅谷变成一个退休村之前，