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
Winning isn't everything.
赢并不是一切。
How much is a hair cut?
剪一次头发要多少钱？
It was not that Bruce always underestimated difficulties.
这并不是说布鲁斯总是低估困难，