Alum solution
[机] 明矾溶液
🧩 词语组成解析
n. 明矾, 矾, 校友\\n[化] 明矾; 钾铝明矾
🗣️ 情景例句
Maybe you can photogragh a class,
也许你来拍一次上课的情形，
He that sups with the devil must have a long spoon.
与恶人交往，须特别提防。
I think you'd better fly somewhere in the west.
我认为你最好先飞到西部的一个地方。