Wetted wall column
[化] 湿壁塔
🧩 词语组成解析
wet的过去式和过去分词
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
What do you mean?
你是什么意思呀？
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
He sends me interesting postcards from the ports where the ship stops.
他还从船停泊的海港给我寄来了明信片。