Michelle Obama has urged Americans to join her family in a day of service on the Martin Luther King Day holiday.
米歇尔·奥巴马呼吁美国人在马丁·路德·金纪念日与她家人一道提供一天的服务。
Michelle Obama has urged Americans to join her family in a day of service on the Martin Luther King Day holiday.
米歇尔·奥巴马呼吁美国人在马丁·路德·金纪念日与她家人一道提供一天的服务。
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