标签：Energy 相关文章
[00:02.25]第八单元 课文A [00:04.49]Telecommunication via Satellite [00:06.71]卫星通信 [00:08.93]At the beginning of the twentieth century, [00:11.31]20世纪初 [00:13.69]there were four powerful means of transmitting and receiving information [00:17.37
大学英语自学教程上
AS IT IS 2014-03-26 Pakistanis Suffer from Drought but Find New Energy Sources 巴基斯坦遭遇干旱,但找到新的能量源 Hello again, and welcome back to the program that helps you learn and improve your American English. Im Jim Tedder in Was
2014年VOA慢速英语(四)月
energy --- 精力 energetic --- 积极 every --- 每个的 everyone --- 每人 everybody --- 每个人 everything --- 每件事 everywhere --- 到处
用听的背单词-基础2000MP3(a-g)
By David McAlary Washington 18 February 2007 The U.S. space agency NASA has launched five satellites - the most ever from one rocket - to locate the source of energy in Earth's magnetic field that triggers the colorful, dancing auroras over the north
2007年VOA标准英语（二月）
By David McAlary Washington 21 November 2006 The United States and more than 30 other nations have signed a $13 - billion agreement to develop a form of nuclear power in a process called fusion. In a Paris signing ceremony, they agreed to cooperate
2006年VOA标准英语（十一月)
By VOA News 24 January 2007 watch speech excerpt on African Health Dikembe Mutombo during the president's State of the Union address President Bush highlighted U.S. health initiatives in Africa during his State of the Union speech late Tuesday. The
2007年VOA标准英语（一月）
Energy Production Facing Limits of Water Scarcity发电面临用水危机 Nearly all forms of energy production use large amounts of water. Coal, which generates nearly 50 percent of the electricity in the U.S., needs water for mining and transport,
VOA标准英语2012年(一月)
Russia-Ukraine Standoff Prompts Energy Fears in Europe 俄乌对峙引发欧洲能源担忧 LONDON Gas prices have risen in Europe over fears the standoff between Russia and Ukraine could result in disruptions to supply and possibly undermine the con
VOA标准英语2014年(三月)
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加州英语分级G6