B-b fraction
[化] 丁烷-丁烯馏分
🧩 词语组成解析
🗣️ 情景例句
All the employees in the office eat fast food for lunch.
办公室里的职员中午都是吃快餐的。
The thing I don't like about driving is all the traffic on the road.
在开车方面我不喜欢的事情是堵车。
Oh, on a farm near here.What about you? What do you do?
离这儿很近的一个农场。你呢？你是干什么的？