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
It's over.
结束了。
No great loss without some small gain.
塞翁失马，安知非福。
Good evening, Uncle Wang!
王叔叔，晚上好！