Backing pump
[化] 前级泵
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
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
Hey, don't try to rip me off. I know what this is worth.
别想宰我，我识货。
I'll work out our schedule.
我将制订出我们的计划。
I bought some this morning. It's in the fridge.
我今天早晨买了一些。在冰箱里。