单词：topological irreducibility
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A: I need to have my computer fixed. B: What's the problem? A: I think it has a virus. B: Did you buy your computer from us? A: Yes, I bought if from your store. B: Did you get the warranty on your computer? A: Yes, I got the warranty. B: My computer
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A: Can you fix my computer? B: What's wrong with it? A: I believe that it has a virus. B: Where did you get your computer? From us? A: Yes, I did. B: Did you purchase a warranty for the computer? A: I believe that I purchased the warranty. B: Our rec
购物英语对话
A: I need you to fix my computer. B: What problems are you having with it? A: There is a virus on my computer. B: Did you get your computer from our store? A: I purchased my computer from your store. B: Did you buy the warranty for your computer? A:
购物英语对话
It was time for the annual blood drive. He told his girlfriend, Im going to give blood tomorrow. She said, Dont do that. You could get a disease. He asked, I could get a disease? How could I get a disease? She said, You never know. What if a nurse tr
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Voice 1 Welcome to Spotlight. Im Ryan Geertsma. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand no matter where in the world they live. Voice 1 Every year in May, actors, f
环球英语 Spotlight
It was a white, plain-looking dinner plate, with no adornment. The brand name was Corelle, a popular brand made by Corning. On the bottom of the plate, in addition to Corelle and Corning, was the following text: Microwave SafeNot for Broiler or Stove
365个英语简短小故事
By Jill Moss Broadcast: October 31, 2004 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Faith Lapidus with People in America in VOA Special English. Today we tell about Red Adair. He was famous for putting out dangerous oil well fires
名人轶事
By Elaine Lu Washington, DC 29 August 2006 watch Red Hat Society report Ladies in red hats attend the Red Hat Society's international convention was held recently in St. Louis Missouri Aging is often perceived negatively and treated as something und
2006年VOA标准英语（八月）
By Mil Arcega Washington, D.C. 28 August 2006 watch Business Travel report Travel analysts say flying business class is becoming more attractive as heightened airport security makes traveling more of a hassle. As VOA's Mil Arcega reports business cl
2006年VOA标准英语（八月）
By Al Pessin Washington 28 July 2006 US Army soldiers in Iraq(file photo) The top U.S. general in Iraq had hoped to be able to recommend what he called a fairly significant reduction in U.S. troops in the country this year. Instead, on Thursday Defe
2006年VOA标准英语（七月）
By Jim Randle Baghdad 27 January 2007 The U.S. military now says some American soldiers were abducted and killed in a recent raid by insurgents wearing U.S.-style uniforms. The sophisticated attack hit a command post in the Iraqi city of Karbala a w
2007年VOA标准英语（一月）
Emergency Birth Training Curbs Infant Mortality Responding immediately when newborns fail to breathe in the critical moments after birth could dramatically cut the number of infant deaths worldwide. That's the focus of a new training program for mate
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By Zulima Palacio Washington 22 April 2008 Deep into the mountain state of West Virginia, a group of volunteers is determined to restore nature the way it was a century ago, before mining, logging and fires changed the landscape. To do so, thousands
VOA常速英语2008年（四月）
Ray: My mother is coming for a visit, which means we need to do some spring cleaning this weekend. Debra: Ill get the duster , if youll get the broom . Ray: Im serious. You know how nit-picky my mother is and I want our house to be neat and tidy . De
地道美语播客
By Sonja Pace London 07 November 2006 A British court has sentenced Muslim convert and al-Qaida operative, Dhiren Barot to life imprisonment to serve a minimum of 40 years, after he pleaded guilty to plotting terrorist attacks in Britain and the Uni
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拓扑排序 topological sort 偏序 partical order 拓扑有序 topological order AOV网 activity on vertex network AOE网 activity on edge network 关键路径 critical path 匹配 matching 最大匹配
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U.S. Defense Secretary Robert Gates says if Iran is serious about accepting the international offer that could end the dispute over its nuclear program, it should do so soon, and through official channels. Gates was speaking to reporters in Ankara, i
VOA标准英语2010年(二月)
By David Gollust State Department 09 November 2006 The United States signaled flexibility Thursday on the shape of a new international peacekeeping force for Darfur. The Sudanese government has adamantly opposed the introduction of a United Nations
2006年VOA标准英语（十一月)
USADA hails UCI's right decision in Armstrong case BEIJING, Oct. 23 (Xinhua) -- Cycling's governing body UCI has made the right decision to strip Lance Armstrong of his seven Tour de France titles, U.S. Anti-Doping Agency chief Travis Tygart said on
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BEIJING, Jan. 29 (Xinhua) -- The International Cycling Union (UCI) has announced its disbanding of the Independent Commission citing lack of coorperation from fellow anti-doping angencies. UCI president Pat McQuaid said in a statement Tuesday that th
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