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
What line of work are you in?
你做哪一行的？
Drop dead
晕倒
Oh, learned judge! Oh, wise young man!
噢，博学的法官！噢，聪明的年轻人！