Variable-delivery rotory pump
[化] 可变排量旋转泵
🧩 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
Well, how're you been, Philip?
嗯 ，这些年来怎么样， Philip？
I'm twenty and proud that I've never fed myself!
我二十岁了，但是，以从来不会自己挣钱吃饭为傲。
He built a glass wall through which he could watch what went on inside.
他建造一堵玻璃墙，透过玻璃墙他能够观察里面发生的事情。