“明矾”造句

明矾可以澄清浊水.
Alum will settle turbid water.

给这杯热水添加缓慢的明矾.
Add the alum slowly to the cup of hot water.

但是化学腐蚀剂例如明矾现在很流行.
But chemical mordents mordants such as allon alum are popular today.

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