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
My instructor thought that the beginner's class was too easy for me.
老师认为初级课程对我来说太容易了。
It is not good to wake a sleeping lion.
睡狮莫惊。
After putting it on, Mrs.Richards went downstairs.
理查兹夫人穿上化装服后下了楼，