太阳等离子体流

科学家改进空间天气预报准确性

Scientists Improve Space Weather Forecast Accuracy 科学家改进空间天气预报准确性 At one time, scientists thought the space between Earth and Sun was a vacuum . But we now know that the su

发表于:2018-11-29 / 阅读(160) / 评论(0)

VOA2005（下）--环境科学探索

60秒科学:NASA将发火星探测器揭火星大气层流失之

诸多线索综合起来为我们描绘出一幅画面：那是火星遥远的过去，那时的火星还有着一层厚厚的大气层，令这颗星球温热暖和，从而使水能够在火星表面流淌。但如今，地表的水消失不见，而

发表于:2018-12-07 / 阅读(122) / 评论(0)

60秒科学

太阳科普第15期

The key difference of course is that a sunspot's 最关键的不同点在于太阳黑子 an awful lot bigger and so the total energy, 大得多，所以太阳磁场内 or the amount of energy in the magnetic field 所含的总能量大得惊人 on th

发表于:2018-12-07 / 阅读(177) / 评论(0)

太阳科普

太阳科普第8期

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

发表于:2018-12-07 / 阅读(169) / 评论(0)

太阳科普

VOA慢速英语 2008 0123b

VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith with EXPLORATIONS in VOA Special English. This week, we hear some unusual sounds from space. Scientists created them by taking radio wave observations and turning them into sound waves

发表于:2018-12-15 / 阅读(73) / 评论(0)

VOA慢速英语2008年（一）月

科学美国人60秒 SSS Solar Eclipse in 1097 May Be Rock Carving Subject

Solar Eclipse in 1097 May Be Rock Carving Subject 古代雕刻记载天文景观 More than 900 years ago, the Pueblo people were thriving in New Mexicos Chaco Canyon. While they were there, the region experienced what the whole country is looking for

发表于:2018-12-24 / 阅读(97) / 评论(0)

2017年Scientific American(八)月

DEVELOPMENT REPORT – How to Make a Solar Water Heater

DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o

发表于:2019-01-02 / 阅读(180) / 评论(0)

农业与发展

2007年VOA标准英语-Private US Group Puts Up $100 Million to Stream

By Barbara Schoetzau Washington 28 September 2007 A private U.S. foundation has launched a $100 million initiative to strengthen health systems in Africa. From VOA's New York Bureau, correspondent Barbara Schoetzau reports the initiative will support

发表于:2019-01-07 / 阅读(156) / 评论(0)

2007年VOA标准英语（九月）

SSS 2010-10-07

The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away

发表于:2019-01-08 / 阅读(116) / 评论(0)

Scientific American(十)月

Lesson 78 - JUMP HORSES IN THE MIDDLE OF THE STREAM...

Don't change horses in the middle of the stream to jump on the bandwagon 美国的民意测验显示，布什总统落后于民主党候选人克林顿。这使人想起在十九世纪美国内战期间

发表于:2019-01-09 / 阅读(162) / 评论(0)

美国习惯用语

VOA标准英语2010年-India Plugs into Low-Cost Solar Techno

India seems to excel at making things smaller and cheaper. The $2,500 car and the $35 computer are just two of the country's latest innovations. Now, India increasingly is focused on low-cost solar technology. The front lines of that effort are seen

发表于:2019-01-14 / 阅读(108) / 评论(0)

VOA标准英语2010年(十)月

经济学人244:太阳物理学落山的太阳

Science and technology 科学技术 Solar physics 太阳物理学 Sun down 落山的太阳 Several lines of evidence suggest that the sun is about to go quiet 证据的一些方式表明太阳即将变平静 spots of bother? 太阳黑子的困扰？

发表于:2019-02-02 / 阅读(125) / 评论(0)

经济学人科技系列

YouTube to live stream British royal wedding

SAN FRANCISCO, April 19 (Xinhua) -- YouTube announced Tuesday that the much-anticipated British royal(王室) wedding of Catherine Middleton and Prince William will be live streamed on the website' s live channel. Next Friday, the live stream will fo

发表于:2019-02-03 / 阅读(145) / 评论(0)

英语新闻

VOA常速英语2007-Washington DC Becomes Solar Village

By Paul Sisco Washington 22 October 2007 Twenty college and university teams from around the world competed inthe recentSolar Decathlon that is held every two years in Washington, D.C. The U.S. Energy Department sponsors the event, and this year's wi

发表于:2019-02-04 / 阅读(109) / 评论(0)

2007年VOA常速英语（十月）

VOA标准英语2009年-Chesapeake Bay Restoration, One Stream

Volunteers, farmers and local government in Pennsylvania community work to clean up waterways. Rosanne Skirble | Lititz, Pennsylvania 30 November 2009 Watch: Skirble report Windows Media Lititz Run prior to restoration with eroded stream banks and fe

发表于:2019-02-05 / 阅读(133) / 评论(0)

VOA标准英语2009年(十二月)

China faces severe plasma shortage: health minister

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

发表于:2019-02-07 / 阅读(114) / 评论(0)

英语新闻

VOA标准英语2008年-US Space Agency Plans Solar Probe

By Michael Bowman Washington 12 June 2008 The U.S. space agency is planning to send a probe to the sun to gather data and shed light on basic questions about how the star operates and its effects on Earth. VOA's Michael Bowman reports from Washingto

发表于:2019-02-08 / 阅读(106) / 评论(0)

VOA标准英语2008年（六月）

Lesson 44-1 Home Appliances 家用电器

Listen to the statements and check the correct answers. 1.Is sweeping out the tiny dust bothering you a lot? From now on if you have this machine, doing the housework will become a very easy job. This is a portable vacuum cleaner. lt's light and wire

发表于:2019-02-17 / 阅读(101) / 评论(0)

英语听力练习题

Chinese health minister donates plasma

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

发表于:2019-02-18 / 阅读(125) / 评论(0)

英语新闻

英文乡村歌曲：深情对唱Islands In The Stream - Dolly Parton

Baby, when I met you there was peace unknown I set out to get you with a fine tooth comb I was soft inside, there was somethin' going on You do something to me that I can't explain Hold me closer and I feel no pain Every beat of my heart We got somet

发表于:2019-02-25 / 阅读(118) / 评论(0)

美国乡村音乐

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