n.矾类
n.女校友；女毕业生
名词alum的复数形式.
You can clarify the water by adding a little alum. 你在水里加一点明矾就能使水净化。
The current rectification is like a dose of alum. 这次整风，就是放一把明矾。
Add the alum slowly to the cup of hot water. 给这杯热水添加缓慢的明矾。
Can alum go blain? ? ? Can you harm the skin? 白矾能去痘么？？？会伤害皮肤么？
Containing or yielding aluminum, alumina, or alum. 含铝的；产铝的含有或出产铝、氧化铝或明矾的
Of, relating to, or containing aluminum or alum. 铝的，矾土的铝或明矾的，与其有关的或包含其的
