VOICE ONE: Im Steve Ember. VOICE TWO: And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known as the Mercury Thirteen. They never reached

发表于:2018-12-07 / 阅读(38) / 评论(0) 分类 VOA慢速英语2007年(六)月

计算机科学是在30年代开始的....19世纪30年代.John Graham-Cumming 讲述了Charles Babbage的机械,蒸汽能量的分析引擎,并且讲述了Ada Lovelace,拜伦王的女儿以及一个数学家,是怎样从简单的计算能力去看到电

发表于:2018-12-09 / 阅读(187) / 评论(0) 分类 TED公开课:重释机器

The One Where Monica And Richard Are Just Friends 本集简介: Monica and Richard have a chance meeting in a video store and decide to see each other as friends--but it doesn't stop there. Phoebe dates Robert, a jock whose shorts are a little too r

发表于:2019-01-10 / 阅读(55) / 评论(0) 分类 老友记(六人行)

How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today they are known

发表于:2019-01-12 / 阅读(39) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - How the 'Mercury 13' Led the Way for Women in the US Space Program Im Steve Ember. And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about a program in the nineteen sixties to train women as astronauts. Today

发表于:2019-01-12 / 阅读(30) / 评论(0) 分类 2013年VOA慢速英语(四)月

为什么有人会成功?因为他们慵智?或者他们只是幸运?都不是。分析家 Richard St. John 浓缩了他多年访谈的精华,用这个不容错过的3分钟幻灯秀揭示了成功的真实秘诀。

发表于:2019-02-05 / 阅读(47) / 评论(0) 分类 TED公开课:头脑游戏