Charge valve
[化] 加料阀
🧩 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
Hi.
嗨。
Does the back door have a lock on it?
后门上有锁吗？
We're going to meet here, outside the school gate, at two o'clock.
我们打算两点钟在校门外见面。