Obama's Weekly Address WEEKLY ADDRESS: Averting a Government Shutdown and Expanding Access to Affordable Healthcare 每周演讲：避免政府关门，扩大可支付医疗保健的使用 Hi, everybody. This Tuesday is an important day for familie
And coming back to the snorkeling trip, we actually understand a great deal about the rules that fish schools use. 再回到那个潜泳之旅，事实上我们非常了解鱼群的运动规则。 So if we can invent the bodies to go with that, 如果我们能创造一个
联合国教科文组织总干事博科娃在2017年世界海洋日上的致辞。（中英双语） Message from Ms. Irina Bokova, Director-General of UNESCO, on the Occasion of World Oceans Day 联合国教科文组织总干事伊琳娜·博科娃女士在世界海洋日的致辞 Our Ocean, Our Future 我们的海洋，我们的未来 8 Ju
