Return pump
[化] 抽空泵
🧩 词语组成解析
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
People power.
人力。
We have a toll-free number for customers to call.
我们对顾客提供免费服务电话。
He came out of the library, a large book under his arm.
他夹着本厚书，走出了图书馆。