Happy Martin Luther King,Jr.Day?

Happy Martin Luther King,Jr.Day? Dr.Martin Luther King Jr Day中Jr Martin Luther King ,Jr dreamt ____the day ____his four child Martin Luther King,Jr中的“Jr”是什么意思? 英语翻译Martin Luther King Jr.'s BirthdayMartin Luther King Jr.' 问个名字martin luther king Jr. Martin Luther King, Jr 怎么读 在英语中,Jr.比如：Martin Luther King,Jr. I have a dream by Martin Luther King, Jr. I am happy to join Martin Luther King Jr.的nonviolent approach怎么翻译? Martin Luther King,Jr 故事 及 名言（*英文*) In 1955, Martin Luther King Jr. gained national recognition