单词：solar stream
单词：solar stream 相关文章
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
60秒科学
[00:35.11]Would you like to go outside with me? [00:40.28]Listen and read [00:44.04]Today is Saturday.It's sunny and windy.Tom doesn't need to go to school. [00:54.31]He gets up early.He wants to go outside to play with his parents. [01:03.76]Tom:Mum
小学英语陕旅版五年级
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
农业与发展
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
2007年VOA标准英语（九月）
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
Scientific American(十)月
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
美国习惯用语
By Heda Bayron Zamboanga del Norte, Philippines 16 July 2007 House with solar panel unit in Patagan Electricity has yet to reach hundreds of far-flung villages in the Philippines. But a solar energy system project for the country's remote villages is
2007年VOA标准英语（七月）
By Paul Sisco Washington, D.C. 19 July 2007 Silicon Valley in northern California originally referred to the corporate homes of silicon chip innovators and manufacturers, and the high tech businesses in the San Francisco Bay area. Today that region i
2007年VOA标准英语（七月）
By Katherine Cole Washington 25 July 2007 The city of Taos, New Mexico, was known as the Solar Capitol of the World long before then-Governor Gary Johnson officially made that declaration in 1997. The high desert altitude of over two kilometers and c
2007年VOA标准英语（七月）
By Greg Flakus Albuquerque, New Mexico 25 July 2007 Large scale collection of solar power arrays As the world searches for ways to produce energy without burning fossil fuel, there is increased interest in solar energy. One place associated with sola
2007年VOA标准英语（七月）
By Uma Ramiah Dakar 21 May 2008 A year-old project in Benin has shown that harnessing the power of sunlight could provide long-term solutions to hunger in underdeveloped nations. A six-month dry season in the Kalale District of Benin used to wreak ha
VOA标准英语2008年（五月）
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
VOA标准英语2010年(十)月
By Prospero Laput Zamboanga del Norte, Philippines 16 July 2007 Electricity has yet to reach hundreds of villages in the Philippines. The Philippine government is tapping innovative technology to light up some villages, but in this report by producer
2007年VOA标准英语（七月）
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？
经济学人科技系列
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
英语新闻
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
2007年VOA常速英语（十月）
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
VOA标准英语2009年(十二月)
By Zulima Palacio Washington 14 October 2009 One of the solar homes at this year's Solar Decathlon in Washington, DC On the National Mall in Washington, the 2009 Solar Decathlon has begun, with 20 university-led teams from four countries. Each has b
VOA标准英语2009年(十月)
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
美国乡村音乐