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
You can't fight it.
你再争也没有用。
My father had an interview with the principal to discuss my work.
我父亲会见校长讨论我的功课情况。
but it does mean that noise is less dangerous than, say,
但它确实说明，噪音的危险性--比如说--