Parathene
基化环烷烃
🔁 扩展释义
【化】 烷基化环烃
🗣️ 情景例句
We'll come upstairs and get you in a little while.
我们待会儿就上楼来带你下去。
We went to a concert last night to hear the symphony orchestra.
我们昨晚去了一个音乐会听交响乐乐队演奏。
Why did you stay at home?
为什么呆在家里？