The organic compounds are mainly benzoic acid anhydride , benzophenone, and so on.生成的有机化合物成分比较复杂,主要成分有苯甲酸酐、苯甲酮等.The uses and synthetic methods on 2,4 - Dichloro - 5 - Fluoro - benzoic acid were described in detail.简要概述了2...
Later, Simpson arrogantly claimed: "We won't lose another game."稍后，辛普森傲慢地宣称：“我们不会再输了。”The consular porter strode arrogantly ahead with his light swinging.领事馆的门房提着摇来晃去的灯,在前面大摇大摆地走着.It made his great nose protrude mor...