这些不同的晶面,具有很不相同的化学性质, 特别是对化学腐蚀剂的反应不一致.The chemical properties of these surface differ considerably, particularly in their reaction to etchants.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...

“腐蚀剂”的英语可以翻译为：caustic，corrosive，[化] corrodent，etch，cauterant ...