Alarm valve
[化] 警告阀
🧩 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
I'll see you then.
到时候见啦。
How often did I tell you not to say a word?
我告诉你多少次不要讲话?
Great! Look! I can do it.
天哪！我也会了！