Naphthenic
环烷的, (脂)环烃的
🗣️ 情景例句
I've got it.
我都记下了。
In college I majored in science.What was your major?
在学院我主修了自然科学，你主修了什么？
The Olympic Games will be held in our country in four years' time.
4年以后，奥林匹克运动会将在我们国家举行。