Lady racehorse owners have a reputation for capriciousness.赛马的女主人们出了名地性格多变。Pat stuck it out, despite the capriciousness and inhospitality of the English weather.尽管英国天气变化无常、十分糟糕，帕特还是挺了过来。Some see it as the opposite of rat...
This complex reaction is characterized by a keto - enol tautomerism equilibrium and ester exchange reaction.此螯合反应是由酮一烯醇互变异构平衡过程和酯交换反应组成.We have already met one series of specific enol equivalents.我们已经遇到过一系列有特效的烯醇等当物.Keto...