Reciprocating pump
[化] 往复泵
🧩 词语组成解析
[医] 交互的, 往复的
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
I understand. But tell me.
我能理解。告诉我。
Tastes good.
不难吃。
On his way to the sweet shop, he dropped his fifty pence and it bounced along the pavement and then disappeared down a drain.
在他去糖果店的路上，50便士掉在地上，在人行道上跳了几下，掉进了阴沟里。