[网络] 海岸压缩作用

From NPR News in Washington, I'm Lakshmi Singh. BP is coming under mounting pressure to step up its response to the country's worst ever oil spills in the Gulf of Mexico. It's coming down from top Obama administration officials who've been dispatched

发表于:2018-12-17 / 阅读(68) / 评论(0) 分类 2010年NPR美国国家公共电台5月

I'm Asieh Namdar at the CNN.com news room in Atlanta. Here is a look at what is happening NOW IN THE NEWS. The polls are open in South Carolina. It is the first southern state to hold the Democratic primary this year. And the stakes are high for all

发表于:2018-12-30 / 阅读(39) / 评论(0) 分类 商业报道2008年(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. Thisll just take a minute. Bisphenol A. Also called BPA, it's used to make shatter-proof plastic known as polycarbonate, found in everything from water bottles to medical devices to

发表于:2019-01-08 / 阅读(55) / 评论(0) 分类 Scientific American(五)月

Pulp from Plants Makes Packaging More Earth-Friendly 植物纸浆让包装更环保 The average American throws away about 84 kilos of plastic every year. Much of that ends up in the ocean, according to the marine research group Algalita. Almost half

发表于:2019-01-12 / 阅读(117) / 评论(0) 分类 2016年VOA慢速英语(九)月

German Car Manufacturer Audi Creates Fuel From Air And Water 奥迪用空气和水合成新燃料 Creating an alternative green or carbon neutral fuel to replace gasoline has been the holy grail for scientists for many years. However, while there has

发表于:2019-02-05 / 阅读(35) / 评论(0) 分类 阅读空间

Dismounting to assist her, Walcott discovered that the horse had turned a slab of shale that contained fossil crustaceans of an especially ancient and unusual type. 沃尔科特跳下马来扶她,却发现马将一块页岩圈了个身。页岩里有

发表于:2019-02-17 / 阅读(63) / 评论(0) 分类 万物简史