收听点击下载 March 21, 2007 11:48 A.M. EDT PRESIDENT BUSH: Madam Prime Minister, welcome. We've had a really fruitful discussion. The Prime Minister and I have visited several times over the course of the y
My friend Jaan Tallinn likes to point out that just as with rocketry, it's not enough to make our technology powerful. 我的朋友扬·塔林常说，这就像是火箭学一样，只让我们的科技拥有强大的力量是不够的。 We also have to figure out, if we're goi
Weekly Address: Meeting the Global Threat of Climate Change (August 29, 2015) 奥巴马每周电视讲话：总统呼吁应对气候变化威胁 Hi, everybody.This Monday, I'm heading to Alaska for a three-day tour of the state. 大家好！下周一，我将前往阿拉斯
