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
Where are the toys hidden away?
那些玩具藏在什么地方？
You'll have your own office soon but for the time being you'll have to share one.
你很快就有自己的办公室了，不过暂时还得和别人合用一间。
That was a pleasant surprise.
这是意想不能的好事。