SCIENCE IN THE NEWS - All About Fireflies and Possible Liquid Water on Mars CHRISTOPHER CRUISE: This is SCIENCE IN THE NEWS, in VOA Special English. Im Christopher Cruise. BOB DOUGHTY: And Im Bob Doughty. Today, we tell about evidence of liquid water

发表于:2018-12-07 / 阅读(68) / 评论(0) 分类 2011年VOA慢速英语(八)月

Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th

发表于:2019-01-02 / 阅读(51) / 评论(0) 分类 60秒科学

to jump right out of one's skin all skin and bones 今天我们 来给大家介绍两个由skin组成的习惯用语。我们要讲的第一个常用语所形容的景象可能你们永远都看不到。

发表于:2019-01-09 / 阅读(105) / 评论(0) 分类 美国习惯用语

RACHEL MARTIN, HOST: By many measures, Mansour Omari should not be a free man. The Syrian human rights activist spent years documenting the many abuses of the Syrian government, keeping track of the tens of thousands of Syrians who have disappeared i

发表于:2019-01-16 / 阅读(29) / 评论(0) 分类 2017年NPR美国国家公共电台12月

Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen

发表于:2019-01-22 / 阅读(48) / 评论(0) 分类 自然百科2011年

By David McAlary Washington 14 March 2007 A U.S. spacecraft studying Saturn has found evidence of large seas on its biggest moon, Titan. But if they are seas, they would not be filled with water. Instead, as VOA's David McAlary reports, they would be

发表于:2019-01-30 / 阅读(72) / 评论(0) 分类 2007年VOA标准英语(三月)