An arbitrator today blocked a National Football League plan to randomly test NFL players for illegal drugs. Arbitrator Richard Casher responding to a grievance filed by the NFL Players Association said the plan violates the players' contract. The Co

发表于:2018-12-03 / 阅读(158) / 评论(0) 分类 高级英语听力

04 美国的航空航天技术 DATE=2-21-01 TITLE=EXPLORATIONS #1940 - Space Digest BYLINE=Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with the VOA Special En

发表于:2018-12-07 / 阅读(90) / 评论(0) 分类 科技之光

Broadcast: Jan 29, 2003 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a space rock that

发表于:2018-12-07 / 阅读(72) / 评论(0) 分类 VOA2003(上)-科技导航

It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar

发表于:2018-12-24 / 阅读(82) / 评论(0) 分类 Scientific American(十一)月

Lesson Nineteen Section One: News in Br Tapescript 1. Soviet Foreign Minister Eduard Stievardnadze said today that some Soviet troops will begin pulling out of Aflghanist n witl-iiii a few days. The r

发表于:2018-12-27 / 阅读(233) / 评论(0) 分类 高级英语听力

It used to be that finding even one new planet was enough to make an astronomer's career. 曾经即便是找到一颗新卫星都足以成就一名天文学家的事业。 Uranus was discovered in 1781 by William Herschel, who these days has, among o

发表于:2018-12-31 / 阅读(71) / 评论(0) 分类 经济学人科技系列

This is Whats Trending Today... The United States named 12 new astronauts this week. The astronauts will work for NASA, the American space agency. The astronaut class of 2017 includes doctors, scientists, engineers, pilots and military officers. Seve

发表于:2019-01-02 / 阅读(100) / 评论(0) 分类 2017年VOA慢速英语(六)月

A new study suggests that dark markings on the planet Mars represent sand not water. Research in 2015 had suggested that lines on some Martian hills were evidence of water. Yet American scientists now say these lines appear more like dry, steep flows

发表于:2019-01-02 / 阅读(299) / 评论(0) 分类 2017年VOA慢速英语(十二)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. This will just take a minute. Computer status report. After its ongoing Mars missions, NASA will concentrate less on the red planet, and more on the solar system's other planets and moo

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(三)月

Scientist to Sequence Genes in Space 科学家在空间站研究基因序列 On Earth, American astronaut Kate Rubins researched some of the deadliest diseases like Ebola. Now, while orbiting the planet in the International Space Station, she will be

发表于:2019-01-12 / 阅读(61) / 评论(0) 分类 2016年VOA慢速英语(八)月

New Horizons Space Probe Gets Mission Extension The U.S. space agency has announced it is extending the mission of the New Horizons spacecraft. New Horizons is a spacecraft without a human crew. It was the first spacecraft to visit the dwarf planet P

发表于:2019-01-12 / 阅读(82) / 评论(0) 分类 2016年VOA慢速英语(七)月

Science and Technology The military uses of space Spooks in orbit 科技 太空军事用途 轨道间谍卫星 The other space programme 另类太空计划 DESPITE its strong inheritance of military DNA (much of it, somewhat counterintuitively, comin

发表于:2019-01-26 / 阅读(55) / 评论(0) 分类 经济学人科技系列

Are you an indoor gardener? Keeping house plants is a hobby that really gives back, making spaces look, feel and even smell fresh. 你是一名室内园丁吗?照料室内盆栽是一个有实际收获的,还能达到更新鲜的空间观感的兴趣

发表于:2019-02-02 / 阅读(63) / 评论(0) 分类 阅读空间

20 Facts About Humans You Probably Didnt Know 20个人类真相,你知道吗? We can be curious about existing forms of life but still do not know much about ourselves. These are twenty facts about humans you might have never heard of. 我们可能

发表于:2019-02-05 / 阅读(92) / 评论(0) 分类 阅读空间

Boeing has announced that it is to launch its CST-100 space taxi, from the Orbiter Processing Facility used by the Space Shuttle at NASA's Kennedy Space Centre in Florida. The company's CST-100 spacecraft can carry up to seven passengers to destinati

发表于:2019-02-06 / 阅读(73) / 评论(0) 分类 阅读空间

Look up Sunday to see a truly special cosmic event: A supermoon total lunar eclipse. 周日(9月27日)我们将见证一个特殊的天文现象:超级月亮和月全食同时出现。 Not only will the moon be at its closest point point to Ear

发表于:2019-02-07 / 阅读(103) / 评论(0) 分类 英语新闻

1. The search continues for 20-year-old Lauren Spierer. Police have few leads but suspect foul play in the disappearance of the Indiana University sophomore who has been missing for five days. 2. Moammar Gadhafi stood defiant in the face of the heavi

发表于:2019-02-11 / 阅读(158) / 评论(0) 分类 美联社新闻一分钟2011(六月)

情景对话: Anne: So tell me, coach, how does this victory feel? Cam: Well, it feels great. Obviously, I feel like the belle of the football. Don liked that one. Don's laughing. Anne: It's pretty groundbreaking how this school has embraced you. 知

发表于:2019-02-13 / 阅读(81) / 评论(0) 分类 每天三分钟学英语

One of my favorite examples of liminal excellence comes from the late Dr. Claudia Alexander, 我最欣赏的一位具有交叉才能的榜样是已故的克劳迪娅亚历山大博士, a black woman plasma physicist, who passed away this past July

发表于:2019-02-13 / 阅读(93) / 评论(0) 分类 TED演讲国际问题篇

And it'll be a permanent presence 这将会是长程计划 where each mission adds more capability and eventually 每次登月任务都会增强我们在月球上的作业效能 we'll just have people living there. 最后会有人住在月球上 This

发表于:2019-02-27 / 阅读(139) / 评论(0) 分类 神秘的月球