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
But it's not going to be easy.
不过这事可不容易。
I've got no place to go.
天要亡我！
He waited until someone new joined the company and then began to steal.
他等待有人刚加入公司后才开始偷窃。