单词：tetranucleotialase
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用Mp3背六级单词
cafeteria n.自助餐厅 calcium n.钙 calorie n.卡[热量单位] cane n.(竹，藤等的）茎；甘蔗 vt.用笞杖打 cannon n.大炮，火炮 canvas n.帆布 cape n.海角，岬；披肩，短披风
闭着眼睛飘单词 六级词汇
By Serena Parker Preston J. Truman grew up in Enterprise, Utah, a small farming community of 800 people located 100 miles east of the U.S. government's nuclear weapons test site in the state of Nevada
VOA2004（下）--时事新闻
This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang
Scientific American(一)月
avulse, vt （由于意外事故或通过外科手术）把（身体的一部分）撕脱；抽出 【反】link（vt 连结）；suture（vt 缝合）
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By Lisa Bryant Paris 26 January 2006 Pakistan's President Pervez Musharraf says Iran should not be allowed to acquire nuclear weapons. General Musharraf spoke in Davos, Switzerland, as the West and Ir
2006年VOA标准英语（一月）
T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗
医务英语
Secretary of State Condoleezza Rice says she hopes Saturday's critical meeting with Iran's nuclear negotiator in Geneva will mark a change of course for Tehran in its nuclear dispute with the international community. Rice is sending a senior envoy t
VOA标准英语2008年（七月）
By Gary Thomas Dearborn, Michigan 18 September 2009 The United States and its allies have long contended that Iran is embarked on a path to becoming a nuclear weapons power. CIA Chief Leon Panetta In an exclusive VOA interview, CIA Director Leon Pan
VOA标准英语2009年(九月)
Photo: AP Russian President Dmitry Medvedev seen on television screens in an electronics shop during his interview in Moscow, 24 Dec 2009 In his end of the year speech, Russian President Dmitri Medvedev says his country will develop a new generation
VOA标准英语2009年(十二月)
Russian Foreign Minister Sergei Lavrov is calling for the resumption of talks on Iran's nuclear program as soon as possible. The Russian minister said a more constructive approach is needed to resolve international concerns about Iran's nuclear ambit
VOA标准英语2011年(三月)
By Edward Yeranian Cairo 31 October 2009 Iran's top lawmakers and its president have expressed disapproval of the United Nations-backed draft nuclear deal with the West, Saturday, offering varying degrees of criticism. Iranian President Mahmoud Ahma
VOA标准英语2009年(十一月)
By David Gollust State Department 02 October 2007 The United States said Tuesday it has approved a draft six-nation accord under which North Korea will declare and disable its nuclear programs by the end of the year in exchange for aid and diplomatic
2007年VOA常速英语（十月）
By Catherine Makino Tokyo 17 July 2007 A day after a powerful earthquake struck Japan's northwestern coast, officials are investigating the possibility of radioactive leaks at a nuclear power plant. As Catherine Makino reports from Tokyo, the search
2007年VOA标准英语（七月）
The Bierborse is an open-air event devoted to the art of brewing throughout the world. It is composed of two thirds beer-serving businesses and one third accompanying snack specialities. The range is supplemented by participants offering products typ
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PARIS In the latest sign of hard times for Europe, French carmaker PSA Peugeot-Citroen says it will slash about 8,000 jobs and close an assembly plant. French unions are furious at Peugeot's announcement, calling it a declaration of war and an earthq
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By Kurt Achin Seoul 07 December 2007 The senior U.S. delegate to multinational talks aimed at dismantling North Korea's nuclear capabilities says more discussions are needed before North Korea produces a formal declaration of its nuclear programs. VO
VOA常速英语2007年（十二月）
By Kurt Achin Seoul 03 November 2009 North Korea says it has manufactured more material useable in nuclear weapons. The announcement is widely seen as a tactic to pressure the United States into bilateral talks, and comes a little more than a week b
VOA标准英语2009年(十一月)
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10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur
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