Cascade rotary pump
[化] 级联泵
🧩 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
Hello. Hello there. Are you ready for lunch with your grandpa?
哈喽 。哈喽 。 准备好跟你的祖父一起吃午饭吗？
Who is going to lose?
谁会输？
Never mind. So now you know what you should do.
不要紧。好了，现在你知道该怎么做了吧。