Wetted wall column
[化] 濕壁塔
?? 詞語組成解析
wet的過去式和過去分詞
column
['kɑl?m]
n. 縱隊，列;圓柱;專欄;
??? 情景例句
He ventured his life to rescue a drowning child.
他冒著生命危險去搶救一個溺水的孩子。
Laugh before breakfast you'll cry before supper.
樂極生悲。
Neither of us spoke during the journey.
旅途中我們誰也沒講話。