Oil diffusion pump
[化] 油扩散泵
🧩 词语组成解析
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
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
Are you injured, sir?
先生，您受伤了吗？
What do you expect it to go for?
你们的试销情况如何？
He has a nice sum of money put away.
他存了一大笔钱。