This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.该方法使用带有二烷基咪唑盐 、 烷基吡啶盐或者己内酰胺和脂肪酸作为反应物.Thus the term dialkyl carbonate includes, for example, methyl ethyl carbona...
He confessed to a priest that he had sinned.他向神父忏悔他犯了罪.They sinned against the unwritten rules of this meeting.他们违反了这次会议的不成文规定.You have sinned and must repent your ways.你犯了罪，必须为你的所作所为作出忏悔。...