I was alarmed by his naivety and ignorance of international affairs.他对国际事务缺乏经验且无知，这很让我吃惊。Mozart’s music is characterized by its naivety and clarity.莫扎特的音乐特色是纯朴兴清澈。Ann’s naivety is at least a fault on the right side.安的天真行...
控制缩合反应的温度,还得到一种苯并环庚酮和一种苯并环戊烷.One benzosuberone and one benzocyclopentane are synthesized when controlling the condensation reaction temperature.应用3, 5-二烯庚酮-2和 次氯酸钠 反应制备山梨酸.In this paper , we used 3, 5 - Heptadienone and ...