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
Don't forget to bring me a souvenir.
别忘了给我带回点儿纪念品。
Don't break the rules.
不要违规。
However, it was his turn to be surprised,
没料到这回该轮到他自己吃惊了。