Vacuum diffusion pump 释义与例句英语词汇详解

🧩 词语组成解析

vacuum ['vækjʊəm]

n. 真空;空白;空虚;清洁; v. 用真空吸尘器清扫;

vac空+uum表名词 →空虚；真空

diffusion [dɪ'fjʊʒən]

n. 扩散;<物，化>扩散;传播;<人>（文化等的）传流;

dif分开+fus流，泻+ion名词后缀→ 普及；弥漫

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;

Are you all right?

你怎么了？

Please make yourself at home.

请别客气。

During a holiday in Sweden, I found this note on my car: 'sir, we welcome you to our city.

“先生，欢迎您光临我们的城市。

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vengefulness

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villa residence

virement