first family of the united states信息详情
美国第一家庭
caverns of the united states───美国的洞穴
the united states of america───美国，美利坚合众国；美国；美利坚合众国
president of the united states───美国总统
hares of the united states───美国野兔
climatography of the united states───美国气候学
constitution of the united states───美国宪法
united states of america───n.美国，美利坚合众国；美利坚合众国（美国）
contiguous united states───毗连美国
the first family───第一家庭
despite the apparent improvement in the family life of the Obamas and their marriage, being the first couple of the United States is never easy. Or normal.───尽管奥巴马夫妇的家庭生活和婚姻状况得到了明显改善，但成为美国第一夫妇却从来就不是件容易或平常的事。
His teenage grandchildren were deeply affected by the stories he Shared, of his own struggles with poverty and of the organizations that helped his family when they first arrived in the United States.───他的故事深深地影响了他的子孙们。通过这个故事，他告诉他的子孙们当年自己与贫困作斗争的经历和初到美国时曾帮助过他们的机构有哪些。
They are introduced as the “next first family of the United States”.───介绍他们是“美国下一个第一家庭”。
They are introduced as the "next first family of the United States" .───主持人介绍他们是“美国下一个第一家庭”。