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
When I watch sad movies I get really depressed.
当我看悲伤的电影时，我常常很难过。
It's the kind of work I've always wanted to do.
它是我常常想做的工作。
'I'll tell you where to get off.' answered the conductor.
“我来告诉您在哪儿下车，”售票员回答说。