Shutoff valve
[化] 切断阀; 断流阀; 截止阀; 闸阀
🧩 词语组成解析
n. 关闭器(如阀、开关), 遮断, 停止
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
There's so much for young people to see and do.
这里有很多可供年轻人看和做的事情。
What's goes on here?
什么事？
Do we have to wear the helmets?
我们得戴上防护帽吗？