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
Are you going to return it here?
你要在这里归还吗？
So many countries, so many customs.
一个国家有一个国家的风俗。
I knew that my turn had come.
我知道这次该轮到我了。