Purifying column
[化] 净化塔
🧩 词语组成解析
n. 净化；精制
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
We think it might be just right for ten- to twelve-year-olds.
我们想它或许对十岁到十二岁大的孩子正合适。
I didn't do it on purpose.
我不是故意的。
She has been collecting stamps.
她一直收集邮票。