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
I had a really bad day.
今天真是糟透了。
This woman is washing dishes again.
这个女人又在洗盘子了。
The assistant asked him to leave, but Dickie paid no attention to him and requested to see the manager.
店员让迪基走开，他置之不理，并要求见经理。