Weekly Address: Ensuring Every Child Gets a Great Education (May 2, 2015) 奥巴马每周电视讲话：总统呼吁每个孩子都受到良好教育 Hi everybody. I'm speaking with you from the DC Public Library in Anacostia, where I just met with a
Weekly Address: Addressing Puerto Rico’s Economic Crisis 解决波多黎各的金融危机 Hi, everybody. Today, I want to talk with you about the crisis in Puerto Rico – and why it matters to all of us. 大家好。今天
Hi, everybody. On behalf of the Obama family – Michelle, Malia, Sasha, Grandma, Bo, and Sunny – I want to wish you a very happy Thanksgiving. Like so many of you, we'll spend the day with friends and
But to put that in context: 我们把这些数字写下来： 5.93 million years ago 593万年前 was when our earliest primate human ancestors stood up. 我们人类的祖先灵长类开始了直立行走 That was the first upright primate. 这是第一种直立行走的灵长类动物 Okay
