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
Nice talking to you, sir.
我也很高兴与您交谈 ，先生。
It was quite good. But it was awfully long.
班机很好，就是时间太长了。
Where's Jimmy?
吉米在哪儿？