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
Hi. Michelle,
嗨， Michelle，
John had a rough time last night.
约翰昨晚好像挺轰轰烈烈的样子。
I can't make this machine run properly.
我无法使这部机器正常运转。