Spherical valve
[化] 球阀; 截止阀
🧩 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
555-9470…and it's still busy.
555-9470……又忙 。
Doing is better than saying.
行胜于言。
No, thanks. I can manage it myself.
不，谢谢。我可以自己提。