Recirculating pump
[化] 循环泵
🧩 词语组成解析
再循环
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'm having trouble eating.
我吃东西时有困难。
How much?How many?
共多少？
He's very well, thank you.
他很好，谢谢您。