Friction pump
[化] 摩擦泵
🧩 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
If we don't get dressed,
假如我们不去打扮的话，
I'd like to know how you reached your conclusions.
我想知道你们是如何得出结论的。
and reduces correspondingly the amount of economic resources that could be used for developing the country.
从而相应地减少了那部分可以用来发展国家的经济资源。