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
Macro adjustment is needed in a market economy.
市场经济需要宠观调控。
What sort of guarantees are there against late delivery?
惩罚延迟发货有什么保证呢？
He has a strong will.
他意志坚强。