Molecular pump
[化] 分子泵; 高真空泵; 分子抽机
🧩 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
He goes to high school.
他在上高中。
Don't forget to write to let us know you arrived safely.
不要忘记写信回来，告诉我们你已经安全抵达。
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。