Friction pump
[化] 摩擦泵
🧩 词语组成解析
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
No, I'm not very good at it.
不 ，我网球不行。
Have you ever thought about becoming a professional musician?
你曾经考虑了成为一个职业的音乐家吗？
In the letter he was asked to call at the station.
要他到警察局去一趟。