He's just a drifter he can't settle down anywhere.他不过是个流浪汉--哪儿也呆不住.Teasle: He was just another drifter who broke the law!提索: 他只不过是个犯法的流浪汉!For the past seven year, he live the life of a drifter.在过去的七年中他过著流浪汉的生活....
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...