Kuhn column
[化] 库恩塔; 多管填料塔
🧩 词语组成解析
n. 库恩（德国化学家, 曾获1938年诺贝尔化学奖）
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
He told me
他告诉我
How many more minutes will it take for the train to arrive?
火车还要多少分钟就要到达呢？
It really depends on who is in charge.
那纯粹要看谁负责了。