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
How you doing?
你怎么样？
He is not fit to command others that cannot command himself.
正人先正己。
Yes, we only have one more item to take care of.
是啊，要谈的只剩下一项而已了。