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Project Mercury: The American Space Program Begins SHIRLEY GRIFFITH: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mer

发表于:2018-12-07 / 阅读(33) / 评论(0) 分类 2012年VOA慢速英语(七)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its often said we know more about the moon than we do about the depths of the ocean. There is a lot we dont know about the H2O that covers much of the pl

发表于:2018-12-24 / 阅读(39) / 评论(0) 分类 Scientific American(五)月

VOICE ONE: EXPLORATIONS -- a program in Special English by the Voice of America. (SOUND) That announcement was made May fifth, nineteen sixty-one. It was the first manned flight of project Mercury. Today, Tony Riggs and Larry West tell about the beg

发表于:2019-01-11 / 阅读(57) / 评论(0) 分类 VOA慢速英语2009年(六)月

EXPLORATIONS - Project Mercury: Soviet Successes Push U.S. to Build a Space Program From the Ground UpBy Marilyn Christiano and Frank Beardsley Broadcast: Wednesday, July 19, 2006 VOICE ONE: Explorati

发表于:2019-01-30 / 阅读(57) / 评论(0) 分类 2006年慢速英语(七)月

The world's first quantum satellite is currently in the middle of in-orbit testing, and will carry out additional scientific tests after November, the Chinese Academy of Sciences (CAS) announced on Oct. 12. 根据中科院10月12日公布的消息,全

发表于:2019-02-03 / 阅读(60) / 评论(0) 分类 英语新闻

JIUQUAN, Gansu, May 6 (Xinhua) -- China successfully launched its Tianhui I-02 mapping satellite from the Jiuquan Satellite Launch Center in northwest China's Gansu province at 3:10 p.m. Sunday. The satellite, which was launched using a Long March 2-

发表于:2019-02-08 / 阅读(55) / 评论(0) 分类 英语新闻