Obama's Weekly AddressWEEKLY ADDRESS: America's Resurgence Is Real 奥巴马每周电视讲话：美国复苏步伐坚实 Hi, everybody. 大家好！ About a year ago, I promised that 2014 would be a breakthrough year for America. 1年以前我曾向大家许下承诺
TED Technology, Entertainment, Design在英语中的缩写，美国的一家私有非营利机构，以它组织的TED大会著称；将"用思想的力量来改变世界"作为宗旨。事实上，除了科技、娱乐、设计的主题，这场盛会涉及的领域还在不断扩展，展现着涉及几乎各个领域的各种见解，TED的演讲简短且深刻，参加者们称它为 “超级大脑SPA”。 I need to make a conf
Hi, everybody. 大家好! My top priority as President is doing everything I can to create more jobs and more opportunities for hardworking families to get ahead. 作为总统，我最重要的任务就是尽我一切努力为所有辛勤付出的工薪家庭提供更多就业机会，让大
Despite implicit and explicit questions of my right to be in an elite space, I'm proud to report that when I graduated, 我不知道自己是否能算精英阶层，但我很骄傲地宣称， I was the first black woman to earn a PhD in astrophysi
