Rapid action valve
[化] 快动阀
🧩 词语组成解析
rapid
['ræpɪd]
adj. 快速的;[摄]感光快的;险峻的;
n. 急流;高速交通工具，高速交通网;
rap-, rav- Rap,rapt,rav=snatch,表示”捕,夺”#词根助记：抢夺时速度必然很快
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
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
He was very kind.
对人和蔼。
He that would know what shall be must consider what has been.
欲知未然，须思已然。
Yes, they do.
他们是。