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
There are more fish in the sea.
天涯何处无芳草。
I hope he will meet me at the airport.
我希望他能到机场接我。
Although Campbell reached a speed of over 304 miles per hour,
尽管坎贝尔达到了每小时超过304英里的速度，