Reciprocating pump
[化] 往复泵
🧩 词语组成解析
[医] 交互的, 往复的
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
I understood everything the minute I saw her face.
我一看见她的面孔，就明白了一切。
I'm afraid he will lose your time.
我怕他会浪费你的时间。
The book is protected by copyright.
该书受版权保护。