Dr Martin Luther King是谁?那个时候发生了什么事?

Dr Martin Luther King是谁?那个时候发生了什么事? Dr Martin Luther King是谁 Dr martin luther king was murdered 发生时间 Dr.Martin Luther King Jr Day中Jr 马丁路德金纪念碑 DR MARTIN LUTHER KING JRMEMORIAL怎么样 -when did Dr.Martin Luther King's murder _____? Martin Luther King谁知道? Martin Luther King(English) ‘Martin Luther King martin luther king 简介英文! 翻译一段文章Dr.Martin Luther King was a great man who worked for r 英语翻译Dr.Martin Luther King,Jr.(January 15,1929 – April 4,1968