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...
It will stop in a minute —it's only spitting.雨很快就会停的——这只不过是毛毛雨。This town is notorious for chewing people up and spitting them out.这个城市恶名昭彰，它把人作践了，然后抛弃掉。He appeared to be angry, spitting out disconnected words.他看起来很生...