The planet became an intense emitter of radio waves -- the total output from all TV and cell phones and radar transmissions. 地球开始发射出强烈的电磁波 - 其来源是所有的电视，手机和雷达信号传输。 And something else happened. Metallic
I had this encounter recently where I met the extraordinary American poet Ruth Stone, 比方说，我最近见到杰出的美国诗人露丝.斯通， who's now in her 90s, but she's been a poet her entire life and she told me that when she w
THE PRESIDENT: Hi everyone. As you gather with family and friends this weekend, Michelle, Malia, Sasha and I – and of course Bo – want to wish you all Merry Christmas and Happy Holidays. T
I'm going to go off script and make Chris quite nervous here 我打算不按预定的来，这让克里斯很紧张 by making this audience participation. 我打算让观众参与互动 All right. Are you with me? Yeah. Yeah. All right. 懂我的意思吧，懂。很好 So
