Obama's Weekly Address WEEKLY ADDRESS: Commemorating Labor Day 奥巴马每周电视讲话:总统同人民一起庆祝劳动节 Hi, everybody. 大家好。 This Labor Day weekend, as we gather with family and friends, we'll also come together as a na
It's the red circle, that's terrifying. No, really. Black holes really are the central mystery of our age, 这个红色的圈太吓人了。你在开玩笑。黑洞可谓是我们这个时代的中心之谜， because that's where the quantum world and the
We have itemized with some degree of particularity the things that ought to be altered and here are some of the chief items: 我们已经逐条列记了一些会发生改变的特殊事物，以下列举了一些： A tariff which cuts us off from our proper p
This is not a distant threat. It is a present danger. The rate of infection is increasing fastest among women and children. Largely unknown a decade ago, AIDS is the third leading killer of young adul
