自由基理论

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A

发表于:2019-01-02 / 阅读(72) / 评论(0) 分类 健康与经济

We have historical records that allow us to know how the ancient Greeks dressed, 我们有历史纪录可循,可以让我们知道古希腊人如何穿着、 how they lived, how they fought, but how did they think? 如何生活、如何打仗,但他

发表于:2019-01-03 / 阅读(24) / 评论(0) 分类 TED演讲科学篇

Shortly after Copernicus, in the 1580s, an Italian friar, Giordano Bruno, 哥白尼死后不久,在十六世纪80年代,意大利修道士焦尔达诺布鲁诺提出, suggested the stars were suns that likely had their own planets and that the

发表于:2019-02-13 / 阅读(26) / 评论(0) 分类 TED演讲教育篇

To be sure, Wegener made mistakes. He asserted that Greenland is drifting west by about a mile a year, which is clearly nonsense. (It's more like half an inch.) Above all, he could offer no convincing explanation for how the landmasses moved about. T

发表于:2019-02-25 / 阅读(50) / 评论(0) 分类 万物简史

There was also the problem, demonstrated by Rutherford and Soddy early in the century, that Earthly elements hold huge reserves of heatmuch too much to allow for the sort of cooling and shrinking Suess suggested. And anyway, if Suess's theory was cor

发表于:2019-02-25 / 阅读(56) / 评论(0) 分类 万物简史

我们今天一起来看看白洁最喜欢的电视剧之一!Big Bang Theory! 生活大爆炸! 我们一起来学6季17集的美语说法! 1) How'd it go? 过得怎么样?2) Body language 身势语。如果你能看出某人有什么感觉,那就

发表于:2019-03-02 / 阅读(107) / 评论(0) 分类 OMG美语