Emergency valve
[化] 事故阀
🧩 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
Yup.
是的。
Can I be sure of a profit if I invest?
我要是投资，肯定能获利吗？
It's a waste of time reading that book. It's rubbish.
看那本书真是浪费时间。那简直是垃圾。