Naphthenic residual oil
[化] 环烷基渣油
🧩 词语组成解析
环烷的, (脂)环烃的
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
At this rate,
照这种速度
Nothing for nothing and very little for a half penny.
一分钱，一分货。
I concluded that they were simply shy of strangers.
我认为这不过是他们在陌生人面前表现出的害羞。