讨论了三 氯甲基 苄醇和三 氯甲基 苄醇乙酸酯的合成方法,介绍了结晶玫瑰的应用.The synthetic method of trichloromethyl - benzyl - alcohol and trichloromethyl - benzyl - alcohol - acetate were reviewed , and the application of rosone were introduced.本文采用异氰尿酸与环...
I know you will join me in wishing them Godspeed.我知道你会同我一起祝愿他们诸事顺遂的。Angela says she longs to join an amateur dramatics class.安杰拉说她渴望参加业余戏剧班。De Gaulle vetoed Britain's application to join the EEC.戴高乐驳回了英国加入欧洲经济共同体的申请...