单词	Ritalin
释义	RitalinRitalin trademark a drug that is used to treat Attention Deficit Hyperactivity Disorder (=a condition that causes people, especially children, to be too active and not able to pay attention for very long)
随便看	Ordnance Survey map ordure ore oregano Oregon Oregon Trail O'Reilly, Bill Oreo Orestes organ organdie organ grinder organic organically organic chemistry organism organist organivore organization organizational Organization of American States organize organized organized crime organizer

英语词典包含52748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。