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
Rolexes! Are you joking? That's far outside my price range!
劳力士？！别开玩笑了！那可远超过我的预算了。
I'm afraid you're too critical about your food.
我怕你对食物太挑剔了。
Take this medicine three times a day.
这药每天服3次。