单词	nicotinoyl
释义	nicotinoyl noun nic·​o·​ti·​no·​yl ˌnikəˈtēnəwə̇l, -tin- variants or nicotinyl -tēnᵊl plural -s : the radical NC5H4CO− of nicotinic acid Word History Etymology nicotin- + -yl
随便看	designates designating designatio personae designation designations designative designator designators designatory designatum designatums designed designedly ammeters Ammi Ammiaceae ammiaceous ammine ammines ammino ammirals ammo ammo- ammobia ammobium

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。