单词：Potier's electromotive force
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EXPLORATIONS - Isaac Newton: One of History's Greatest Scientists By Marilyn Christiano and Frank Beardsley Broadcast: Wednesday, October 19, 2005 (MUSIC) VOICE ONE: This is Shirley Griffith. VOICE TW
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今天我收到了园艺俱乐部主席的电子邮件。邮件里说，很遗憾我们今年的资金不足，所以要减少很多有趣的活动。我很奇怪为什么她不等下次见面时告诉我们，后来才知道原来是有人看到了财
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After repelling the Ramadan offensive launched by al Qaida-linked force al-Shabab, AMISOM forces in Mogadishu have been able to exploit rifts within the insurgent group and gain ground throughout the city. AMISOM officials believe that with an additi
VOA标准英语2010年(十)月
Topic1-Hukou, house, and money, 2nd tier cities competing for talents 7.5 million college graduates are entering the work force this summer. A number of the so-called new first tier cities are rolling out red carpet treatment in order to snatch up yo
英语角-圆桌会议
5.Speech on Hitler's Invasion of the U.S.S.R. Winston S .Churchill When I awoke on the morning of Sunday, the 22nd, the news was brought to me of Hitler's invasion of Russia. This changed conviction into certainty. I had not the slightest doubt where
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by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
法律英语 Legal Lad
Many analysts are now calling the fighting in Afghanistan, 'President Obama's War'. In this report from Washington, Senior Correspondent Andr de Nesnera spoke with three former senior US government officials about the Afghan conflict. Andr de Nesnera
VOA标准英语2009年(十二月)
Kentucky's Tea Party is a Force to be Reckoned With Kentucky voter Eric Wilson is concerned about his childrens future. I have to do now what is right, to give them the lifestyle that they need, Wilson said. He is so passionate that he leads the Kent
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DAVID GREENE, HOST: Maybe you've seen the film Jurassic Park, and you remember that scene where the Tyrannosaurus rex escapes its pen and attacks guests at the theme park. You might remember those imposing teeth. Well, in real life, the T. rex had th
2017年NPR美国国家公共电台5月
Six years later, they come to believe these light flashes are the results of high energy, heavy cosmic rays penetrating the spacecraft and the crew members' eyes. These/ protons or electrons, just very, very high energy, ripped / part of atoms, sprin
自然百科2011年
If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an
自然百科2011年
Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen
自然百科2011年
As the vast sphere reaches / maximum speed, something incredible happens. Huge lines of magnetism arc in and out of the model core. Well, we can't see the magnetic field coming out of the experiment, we can measure them, we can put many different mag
自然百科2011年
Larry Newitt from the Geological Survey of Canada charts the movement of the magnetic North Pole as it wanders the icy reaches of northern Canada. To determine where the magnetic pole / is, we can't rely on one single observation. What I try to do is
自然百科2011年
A Math Teacher's Story数学老师的魔法Years ago, I was taking an algebra class over the summer, and had a teacher who liked to reminisce about his past with funny stories. He relates that he had been a math teacher in the Air Force, where it was
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By Benjamin Sand Islamabad 01 June 2007 Afghan police are under attack as Taleban insurgents target the country's vulnerable security force. From Islamabad, VOA correspondent Benjamin Sand says militants have mounted a series of attacks on local poli
2007年VOA标准英语（六月）
BEIJING, April 15 (Xinhuanet) -- ABC television Friday announced it will cancel two of its three long-running daytime soap operas, media reports said. ABC said the two dramas（戏剧 ）, All My Children and One Life to Live, would be replaced by ne
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By Lisa Schlein Geneva 06 October 2007 The United Nations High Commissioner for Refugees, Antonio Guterres, warns that thousands of African Union and UN peacekeepers will be unable to guarantee security in Sudan's conflict-ridden province of Darfur w
2007年VOA常速英语（十月）
US Senate Passes Resolution Against Iran's Nuclear Program The U.S. Senate has overwhelmingly approved a resolution that reaffirms U.S. efforts to stop Iran from developing a nuclear weapon. The senators on Saturday voted 90-to-1 in favor of the non-
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WASHINGTON, June 23 (Xinhua) -- NASA's next Mars rover has completed the journey from its California birthplace to Florida in preparation for launch this fall, the U.S. space agency said Thursday in a statement. The Mars Science Laboratory (MSL) rove
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