Reciprocating piston pump
[化] 往复式活塞泵
🧩 词语组成解析
[医] 交互的, 往复的
piston
['pɪstən]
n. <机>活塞;
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
Thanks, Ellen.
谢谢， Ellen。
My coffee is too hot to drink!
我的咖啡热得没法喝。
When he was decorating his house, he had gotten the bedroom painted first.
他装修房子时，先刷了卧室。