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用Mp3背六级单词
非洲第一辆太阳能公交车诞生 Kayoolais the brand name for the new bus, which is powered by solar panels on its roof. Itseats 35 passengers and its maker hopes the Kayoola will become the first public bus in Africato be powered by the sun.
VOA标准英语2016年(八月)
A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h
考研背诵50篇
SCIENCE IN THE NEWS - U.N. Report Disputes Link Between Forests and Floods By George Grow and Katherine Gypson Broadcast: Tuesday, October 25, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VO
科技之光
ARI SHAPIRO, HOST: There's a lot about the sun that remains a mystery. NASA plans to send a probe into space Saturday that will get closer to the sun than ever before. NPR's Nell Greenfieldboyce reports it stands out in another way, too. NELL GREENFI
2018年NPR美国国家公共电台8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双语新闻 2010年11月
China's energy production relies heavily on coal-fired power stations. As the world's highest emitter of greenhouse gasses, China consumed more than 400 million tones of coal last year. As many parts of China have been shrouded in a gray haze over th
英闻天下
US embassies are on terrorism alert across the Arab world. Twenty-one embassies and consulates right across the Middle East and North Africa will remain close until the end of this week. Security is particularly tight in Yemens capital where Britain,
澳洲ABC新闻快递2013年
A solar power farm is seen along a highway in China's Ningxia Hui Autonomous Region on Friday, Oct. 9, 2015. Wind and solar power generation are a common sight in the dry but sunny region. [Photo: AP/Ng Han Guan] Every morning, thousands of Beijinger
2017CRI中国国际广播电台
Radiation causes damage at the most fundamental level. It mutates the blueprint of life, DNA. Earth's magnetosphere is our crucial defense. It's so fundamental to our evolution and continued existence that the race is on to understand why it's changi
自然百科2011年
In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati
自然百科2011年
There is no room to screw up on a trip like this, mental or otherwise. Once on Mars, you are likely to be stuck there for a year or more, waiting for a window of opportunity to ride home. And unlike a robot, the hopes and fears of the whole planet wi
自然百科2012年
Tiny nanomaterials show promise in many efforts to reduce greenhouse gas emissions Rosanne Skirble | Washington, DC 03 December 2009 Sir Lankan village shop at dusk lit by solar panels - Nanotechnology could help make solar cells more accessible, eff
VOA标准英语2009年(十二月)
STEVE INSKEEP, HOST: To reach the latest news about our solar system, you have to travel out to Pluto, really far from the sun. And then you travel about a billion miles more. That's what a spacecraft has done. And now it's about to get a look at a m
2018年NPR美国国家公共电台12月
Over 50 cyclists are set to hit the road on solar powered bicycles during the 2018 Sun Trip cycling challenge that will kick off in Lyon, France in mid-June. The 12-thousand kilometer route will take the participants through to the southern Chinese c
2018CRI中国国际广播电台
As a Climate Saver, Yingli has promised an emission reduction target for a fixed period of time. By 2015, at least 4-percent of the electricity the company consumes will come from renewable sources, specifically solar. This target is four times the p
英闻天下
Hello and Welcome to News and Reports on China Radio International. In This Edition The chief of the IMF's Mission in China says Renminbi is destined to become a major world currency. European Commission President Jose Manuel Barosso says Greece is p
2012CRI中国国际广播电台
Friday, August 9th, 2013. Welcome to the Beijing Hour, coming to you live from the Chinese capital. Coming up on our program this evening, The Chinese government is setting aside hundreds of millions of yuan to help with drought relief and flooding.
The Beijing Hour 新闻纵贯线
The Beijing Hour Evening Edition Friday 26th July, 2013. Welcome to the Beijing Hour, coming to you live from the Chinese capital, I'm Ben Leung. Coming up on our program this evening, 80 are now confirmed dead at the Spanish train crash as investiga
The Beijing Hour 新闻纵贯线
The Oort cloud is a spherical haze of comets that surrounds our entire solar system. We often get the false impression that the solar system ends with Pluto. In fact, beyond Pluto is the Oort cloud, encircling everything else like an enormous shell.
英语时差8，16