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
That's something I'd rather not talk about just now.
这些事我现在不想谈论。
I will take a helicopter.
我将去搭直升飞机。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。