One of the leading researchers in the field of protein folding is David Baker of the University of Washington, in Seattle. 西雅图华盛顿大学的David Baker是蛋白质折叠领域研究者的领军人物之一。 For the past 20 years he and hi

发表于:2018-12-05 / 阅读(96) / 评论(0) 分类 经济学人科技系列

The European Space Agencys deep space probe Rosetta transmitted high-resolution images of anasteroid millions of miles from Earth. Rosetta caught up with the Steins Asteroid Friday night in the asteroid belt between the orbits of Mars and Jupiter. Un

发表于:2018-12-26 / 阅读(53) / 评论(0) 分类 自然百科2016年

Transcript (by myconsent) The European Space Agencys deep space probe Rosetta transmitted high-resolution images of an asteroid millions of miles from Earth. Rosetta caught up with the Steins Asteroid Friday night in the asteroid belt between the or

发表于:2018-12-30 / 阅读(57) / 评论(0) 分类 国家地理2008年

Rosetta Project Aims to Save Languages for Future Generations Welcome to American Mosaic from VOA Learning English! Im June Simms. On the show today, we play songs from a new album by Edward Sharpe and the Magnetic Zeros. We also hear about a creativ

发表于:2019-01-12 / 阅读(77) / 评论(0) 分类 2013年VOA慢速英语(八)月

AS IT IS 2014-08-07 Rosetta Spacecraft Catches a Comet 罗塞塔航天器捕捉到一颗彗星 After a 10-year trip, a European spacecraft has, for the first time, entered an orbit around a comet. The European Space Agencys Rosetta spacecraft began a

发表于:2019-01-12 / 阅读(41) / 评论(0) 分类 2014年VOA慢速英语(八)月

Young Technology Expert Works to Stop Car Thefts Kenya is East Africas largest economy. Its capital Nairobi is growing quickly. But so is the citys crime rate -- the Nairobi Metropolitan Crime Observatory says thieves steal an average of 10 cars each

发表于:2019-01-12 / 阅读(63) / 评论(0) 分类 2014年VOA慢速英语(十一)月

ESA Spacecraft to Land on a Comet 欧洲航天局探测器登录彗星 After a long flight through deep space, a European Space Agency probe is finally approaching its target - a comet millions of kilometers away from earth. Scientists say the missio

发表于:2019-01-14 / 阅读(53) / 评论(0) 分类 VOA标准英语2014年(七月)

Scientists are likening the new images from a large asteroid to discovery of a new world. Asteroid 21 Lutetia is located between Jupiter and Mars and the European Space Agency's probe Rosetta passed within about 2,000 miles of it, its onboard camera

发表于:2019-01-22 / 阅读(53) / 评论(0) 分类 自然百科2010年

Voice 1 Thank you for joining us for todays Spotlight program. Im Rebekah Schipper. Voice 2 And Im Liz Waid. Voice 1 On July 15, 1799, French Army engineer Captain Pierre-Fran?ois Bouchard discovered something that would change the world. Voice 2 In

发表于:2019-02-14 / 阅读(57) / 评论(0) 分类 环球英语 Spotlight

Today you can lay down -- lie on your living room floor, sipping bourbon, 如今你可以躺着,躺在卧室地板上,喝点小酒, and teach yourself any language that you want to with wonderful sets such as Rosetta Stone. 用丰富的学习材料

发表于:2019-03-13 / 阅读(207) / 评论(0) 分类 TED演讲科学篇