Emergency shut(off) valve
[化] 紧急切断阀
🧩 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
and I felt I should spend more time
我觉得应该多花些时间
Our company has agencies all over the world.
本公司在全世界各地都设有代理处。
' I looked down and nearly fell off the ladder when I saw a policeman.
”我向下面看去。当我看清是一个警察时，差一点儿从梯子上掉下去。