Ladies and Gentlemen, this is Joe Biden and I'm here filling in for President Obama, who is traveling abroad. And I'm here with a simple message: middle-class economics works. Our economy has gone fro

People always laugh when I say Strom Thurmond. You remember Strom Thurmond. Strom Thurmond was the senator from South Carolina. 我一提到斯特罗姆·舍尔蒙德这名字观众们就开始笑，你们还记得斯特罗姆这人吧？斯特罗姆·舍尔蒙德是个来自南卡罗来纳州的参议员。 He had bee

第86届奥斯卡颁奖现场直击，露皮塔·尼永奥凭借《为奴十二年》获得最佳女配角。下面是Lupita Nyong的奥斯卡获奖感言。 And the oscar goes to Lupita Nyong. 下面是Lupita Nyong的获奖感言： Yes! Thank you to the Academy for this incredible recognition. It doesn&

the Obamacare repeal and replace plan would significantly reduce the federal deficit. 奥巴马医保废除和替代计划,将显著减少联邦赤字。 So it would be good for the federal government, it'll cost you less money by a lot, and it

Here's how shape works in normal receptors. 这里展示的是形状是如何对通常的感受器起作用的。 You have a molecule coming in, it gets into the protein, which is schematic here, 一个分子进来，进到蛋白质里，图中所示意的就是蛋白质， and it causes this thin