Vacuum diffusion pump
[化] 真空扩散泵
🧩 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
You'd better hurry, Robbie.
你最好快点， Robbie。
If one desires to succeed in anything, he must pay the price.
如果想做成点事，就得付出代价一干。
Please do. We 're desperate for the material.
麻烦你了，我们非常需要这些材料。