Depropenizing column
[化] 脱丙烯塔
🧩 词语组成解析
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
You have some guests in the reception room.
有几位客人在接待室等 。
Let's go to the station to get a train into town.
我们到火车站去乘车进城。
What happened next?
跟着发生了什么事？