But personal DNA machines can also save human lives. 但个人DNA检测器还可以挽救人类的生命。 Professor Ian Goodfellow is a virologist at the University of Cambridge. Ian Goodfellow教授是剑桥大学的病毒学家。 Last year he traveled to

Fellas, can you imagine you're just on your phone, and someone walks up to you and just takes it out of your hand? 各位，你能想象当你在打电话的时候，有人走过来，然后直接把电话从你手中拿走吗？ And they're like, "OK dude, I don't know why y

THE PRESIDENT: Please, everybody, have a seat, on this beautiful morning. It's wonderful to see all of you here. On Thursday, I told Congress that I’ll be sending them a bill called the American Jobs

奥巴马在例行的本周演说中指出，美国参议院将很快启动程序，以修复我们破碎的移民制度常规法案。白宫敦促参议院迅速通过这一法案，继续作为美国的一项国家的法律，不辜负我们作为一个移民国家的传统。 奥巴马每周演讲2013-0-608:Time to Pass Commonsense Immigration Reform 演讲稿中英对照： Hi, everybody. In the next few days

Thank you, Katie 感谢凯蒂 and thank you to President Faust, the Fellows of Harvard College, the Board of Overseers 感谢佛斯特校长 哈佛大学部成员 监事会 and all the faculty, alumni, and students who have welcomed me back t