Diffusion (vacuum)pump oil
[化] 扩散泵油; 扩散真空泵油
🧩 词语组成解析
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
Thank you.
谢谢。
I'm the youngest.
我最年轻
As a matter of fact, it is the other way around.
事实上，情况正好相反。