A little old lady goes to the doctor ... and says,

发表于:2019-01-02 / 阅读(73) / 评论(0) 分类 英文笑话

Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H

发表于:2019-01-02 / 阅读(47) / 评论(0) 分类 60秒科学

Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th

发表于:2019-01-03 / 阅读(78) / 评论(0) 分类 VOA2003(上)-国际时讯

Ukraine and Russia are expressing concern about their image as reliable gas suppliers amid growing gas shortages in Europe, for which Moscow and Kyiv are blaming each other. European officials warn of a crisis across region as a dispute between Russ

发表于:2019-01-13 / 阅读(164) / 评论(0) 分类 VOA标准英语2009年(一月)

LULU GARCIA-NAVARRO, HOST: Geneva Robertson-Dworet is one of the rarest things in Hollywood - a female superhero screenwriter. Her resume includes Tomb Raider and the upcoming Captain Marvel. She's a breakout success in a billion-dollar industry that

发表于:2019-01-17 / 阅读(39) / 评论(0) 分类 2018年NPR美国国家公共电台9月

By Robert Berger Jerusalem 02 April 2008 Israel is strengthening security on its home front in a sign of war jitters. As Robert Berger reports from VOA's Jerusalem bureau, Israel is casting a wary eye toward Iran. Israel's security Cabinet has decide

发表于:2019-01-30 / 阅读(75) / 评论(0) 分类 VOA常速英语2008年(四月)