单词：RF excited ion laser
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By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
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EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can
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Fighting has erupted between Pakistani troops and a Taliban faction located in the Swat valley in the country's northwest. Pakistani forces reported killing at least 25 militants on Wednesday and imposed a curfew throughout the valley. VOA's Barry N
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New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl
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The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network
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By Margaret Besheer United Nations 02 October 2007 The U.N. Security Council has condemned an attack on African Union peacekeepers in Sudan's Darfur region that killed 10 of them, but could not agree on language for a formal statement. From U.N. hea
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This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke
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By Mike O'Sullivan Los Angeles, CA 05 July 2007 Butterflies, with their colorful wings and intricate patterns, may be the world's most popular insects. At the Natural History Museum of Los Angeles County, visitors can see a close-up view of the flyi
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The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci
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EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one
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By Noel King Khartoum 20 October 2006 The Sudanese army has denied that its forces are badly demoralized after losing two key battles against rebels in Darfur. Jan Pronk Thearmystatement followed comments by a top United Nations envoy in Sudan. Unit
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By June Soh College Park, Maryland 26 July 2007 Have you imagined eating a strawberry that tastes somewhat like chocolate, or cinnamon, or mint? That may be available in American grocery stores soon and eventually on the global market. A scientist's
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By Nick Wadhams Nairobi 04 October 2007 A group of elders including former U.S. President Jimmy Carter and Archbishop Desmond Tutu has told of the horrifying stories they heard during a visit to Sudan's Darfur region, and they urged the international
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(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: In StoryCorps this morning, we are looking back 50 years. Senator Robert F. Kennedy was running for president and had just won the California primary when he was assassinated at the Ambassador Hotel here in Lo
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By Mona Ghuneim New York 24 October 2007 The United Nations Special Envoy to Darfur says some Sudanese rebels have declined to take part in the upcoming peace talks and it is still uncertain who will participate. The talks with the Sudanese governmen
2007年VOA常速英语（十月）
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
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Gabrielle: Hi, Annili! How are you today? Anili: Oh, I'm fine. Gabrielle: Good! Hey, I love your scarf! Anili: Oh, my scarf! Gabrielle: Yeah, where did you get it? Anili: Oh, I bought this scarf in Sydney. Gabrielle: Oh, OK. So, Sidney is your hometo
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By Lisa Schlein Geneva 21 August 2007 The United Nations is accusing armed groups backed by the Sudanese government of systematic rapes and other forms of sexual abuse in South Darfur.In its report, the Office of the High Commissioner for Human Right
2007年VOA标准英语（八月）
Gabon's Interior Ministry is introducing tougher security measures across the country after opposition riots brought an overnight curfew to a key port city. The violence followed the announcement that the son of the country's long-time leader has be
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