Weekly Address: Honoring Our Fallen Heroes this Memorial Day (May 23, 2015) 奥巴马每周电视讲话：总统阵亡将士纪念日发表讲话 致敬逝去英雄 Hi, everybody.This weekend is Memorial Day—a time to pay tribute to all our men and wom
And after a year and a half of making my show, I can tell you that very often when we explore the gross side of life, 从我制作节目以来的一年半中，我可以告诉各位，当我们探索生命中恶心的部分时， we find insights that we never would have th
So here, you're going to see a thousand robots that are working together to self-assemble the letter K. 这里你们可以看到一千个机器人合作自发组成字母K。 The K is on its side. And the important thing is that no one is in char
"I want every child in this country to head back to school in the fall knowing that their education is America’s priority. Let’s seize this education moment. Let’s fix No Child Left Behind." The audie
