Do Long Periods in Space Affect the Body and Mind? 长期在太空停留影响身心健康? From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Today we report on recent developments in space science. We

发表于:2018-12-16 / 阅读(52) / 评论(0) 分类 2014年VOA慢速英语(四)月

By Richard Krantz Washington, D.C. 28 February 2006 watch Space Program report Proposed space vehicle With little fanfare, and on a tight budget, the United States is reshaping its space program in an

发表于:2018-12-16 / 阅读(105) / 评论(0) 分类 2006年VOA标准英语(二月)

James Webb Space Telescope Progresses Toward Launch WASHINGTON While the space community is looking back this week to celebrate the 25th anniversary of the launch of the Hubble Space Telescope, workers in an airtight cleanroom at Goddard Space Flight

发表于:2018-12-16 / 阅读(87) / 评论(0) 分类 VOA标准英语2015年(四月)

Time spent in zero G changes the body: Astronauts come home with bone loss and muscle weakness. But what happens in their heads? To find out, researchers examined MRIs of astronauts brains taken before and after flight. They looked at 12 astronauts w

发表于:2018-12-24 / 阅读(75) / 评论(0) 分类 2017年Scientific American(二)月

Unit 1 World News Up in Space Part I Warming up 1. Endeavor has docked with the ISS. What for? To provide electricity for science experiments When will the U.S. laboratory arrive? Next month 2. What does ISS have now? A living room and a command cent

发表于:2018-12-27 / 阅读(99) / 评论(0) 分类 Step by Step2000

AS IT IS 2014-04-08 International Space Station Puts on a Saturday Night Show 周六晚上人们抬头就可以看到国际空间站 Hello and welcome! Im Jim Tedder in Washington with the program that helps you learn and improve your American Englis

发表于:2019-01-12 / 阅读(108) / 评论(0) 分类 2014年VOA慢速英语(四)月

By David McAlary Washington 22 December 2006 Space shuttle Discovery landing in Florida The U.S. space shuttle Discovery has returned to Earth after a mission to continue assembly of the International Space Station. VOA's David McAlary reports. Disc

发表于:2019-01-12 / 阅读(143) / 评论(0) 分类 2006年VOA标准英语(十二月)

By Anjana Pasricha New Delhi 25 September 2009 An image from India's Chandrayan 1 spacecraft shows the distribution of water-rich minerals around a small crater on the surface of the Moon, 24 Sep 2009 India is triumphant at the role played by its in

发表于:2019-01-13 / 阅读(51) / 评论(0) 分类 VOA标准英语2009年(九月)

The European Space Agency has launched into orbit, two space observatories that will help scientists understand the information of the universe. A visitor watches an Ariane rocket in an exhibition at the Gasometer in Oberhausen, western Germany, 01

发表于:2019-01-13 / 阅读(77) / 评论(0) 分类 VOA标准英语2009年(五月)

MICHEL MARTIN, HOST: We want to take a moment now to remember John Young, NASA's longest-serving astronaut. His career at NASA was filled with firsts, including being the first to fly in space six times. Young was also 1 of 12 people to walk on the m

发表于:2019-01-16 / 阅读(88) / 评论(0) 分类 2018年NPR美国国家公共电台1月

Hong Kong comedian Stephen Chow has been a major player in the area's film industry for almost two decades, but it wasn't until 2001's Shaolin Soccer followed by 2004's Kung Fu Hustle that Chow really rocketed to the stratosphere, where he currently

发表于:2019-01-26 / 阅读(70) / 评论(0) 分类 英语听力文摘 English Digest

South Africa's police force has an image problem. Faced with one of the world's highest crime rates, its officers are seen by many as ineffective, sometimes corrupt and often lumberingly overweight. That's now all supposed to change under Bheki Cele

发表于:2019-01-26 / 阅读(68) / 评论(0) 分类 英语听力文摘 English Digest

Yael: Hey Don, see that guy over there? I'm always forgetting his name! Don: Oh, you mean Matt? Y: Yeah, that's it! You know, it's really easy for me to remember some names, but others take a lot of work. D: Don't feel bad. It might be because Matt's

发表于:2019-02-16 / 阅读(72) / 评论(0) 分类 英语听力文摘 English Digest

Hi there, I'm Ore with the BBC World News for Children. It's Tuesday the 1st of June. Coming up: The latest attempt to plug the American oil leak has failed. World Cup teams are picked. And a Japanese teenage girl is a baseball hit! First - the Unite

发表于:2019-02-16 / 阅读(77) / 评论(0) 分类 英语听力文摘 English Digest

Bat Spit 蝙蝠的唾液 Anyone who reads gothic fiction will tell you that vampires are bad news. People who read modern medical journal s , however, might disagreein fact, they think vampires just might help save lives. The kind of vampire Im talki

发表于:2019-02-24 / 阅读(75) / 评论(0) 分类 英语听力文摘 English Digest

Bedtime Blues 尿床的困扰 Never a happy topic, bed wetting is a very distressing problem for five to seven million American kids. If we cant explain why some people like to pick on these kids, can we at least shed some light on what causes bed we

发表于:2019-02-24 / 阅读(100) / 评论(0) 分类 英语听力文摘 English Digest

The Parts of Metabolism 新陈代谢到底是什么? What is metabolism really? Statements like he can eat a lot because he has a fast metabolism are somewhat misleading. Metabolism isnt about the digestion of food in your stomach; its the name giv

发表于:2019-02-24 / 阅读(91) / 评论(0) 分类 英语听力文摘 English Digest

Nutrigenomics 营养基因组学(nutrigenomics 或nutritional genomics,又叫营养遗传学 nutrigenetics)是研究营养素和植物化学物质对机体基因的转录、翻译表达及代谢机理的科学。 膳食是影响人体健康最重

发表于:2019-02-24 / 阅读(86) / 评论(0) 分类 英语听力文摘 English Digest

Acanthostega 这种生物已经演化出前后肢,但每肢都有8趾。这种生物是从鱼类进化到两栖类的过渡产物。而且,它具有更多的鱼类特征,如有鳃、鳍和只能在水中起作用的感官。伦敦自然历史博

发表于:2019-02-24 / 阅读(85) / 评论(0) 分类 英语听力文摘 English Digest

Nice Set of Pipes 尽管管风琴对我们来说还是比较生疏的乐器,但它的发音原理与我国民间流传至今仍在使用的古老乐器芦笙十分近似。据史料记载,公元前250年前古希腊工程师克提西比奥(Ktes

发表于:2019-02-25 / 阅读(86) / 评论(0) 分类 英语听力文摘 English Digest