Acid (-proof) valve
[化] 耐酸阀
🧩 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
Keep a small English dictionary with you at all time.
随身携带一本小英文字典。
Fall sick and you will see who is your friend and who is not.
困难见友情。
I had an amusing experience last year.
去年我有过一次有趣的经历。