VOA常速英语2008年-US Government Reviews Laser Eye Surgery

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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VOA常速英语2014--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

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

Watch the US Navy’s New Laser Weapon in Action

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

Powell Calls Brazil 'Solid Candidate' for Permanent UN Secur

By David Gollust Secretary of State Colin Powell, on his first visit to Brazil, says that country is a

VOA常速英语2008年-ADB Forecasts Solid Growth for Asia in 2008

By Claudia Blume Hong Kong 02 April 2008 The Asian Development Bank says while Asia will not be immune to the global slowdown, economies in the region will continue to see solid growth in 2008. But the bank warns in its annual outlook that inflation

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By Steve Mort Fort Lauderdale, Florida 13 September 2007 Parts of the United States are facing a shortage of sand, and officials are working on innovative ways to fix the problem. In Florida, experts say beach erosion caused by a rising sea level and

2005年NPR美国国家公共电台九月-Laser Work Earns Trio Nobel Prize for Phy

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

NPR 2010-10-05

The White House says it doesnt want Americans to stop traveling just to be vigilant about their personal security. As NPRs Scott Horsley reports, the Obama administration is trying to tamp down fears a day after it warned US citizens in Europe of the

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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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闭着眼睛飘单词 四级词汇35

[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊，小羊 地主，房东，店主 风景，景色 小路，小巷 [1:52.8522]largely laser latter laughter大部分，主要地 激光器 后者的，末了的 笑，笑声 [2:36.6

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

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

2007年VOA标准英语-Rice Calls Consolidation of Power by Russian Pr

By David Gollust State Department 10 May 2007 U.S. Secretary of State Condoleezza Rice said Thursday the concentration of political power in the Kremlin under Russian President Vladimir Putin is troubling, though adding that Washington and Moscow are

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Up to 480 thousand residents in the American state of West Virginia have been affected by a chemical spill that leaked into the states water supply. At least one fourth of the population has been affected by the spill. The president of a West Virgini

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JUDY WOODRUFF: When it comes to the battle against the Islamic State, much of the world's attention is focused, of course, on the murders and the mayhem it has wrought. But there have also been a series of attacks on antiquities and cultural heritage

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There is a new substance that is harder than diamond. It's called Q-carbon, and it was created by researchers at North Carolina State University. 北卡罗莱纳州立大学的研究人员研发出一种名为Q-碳的新物质，其硬度比钻石还高

美研究人员研发出新物质,硬度比钻石还高

There is a new substance that is harder than diamond. It's called Q-carbon, and it was created by researchers at North Carolina State University. 北卡罗莱纳州立大学的研究人员研发出一种名为Q-碳的新物质，其硬度比钻石还高

英文乡村歌曲：Marit Larsen - Solid Ground

Cannot fall, never do regret Know just what is being said know the risk you take Keep your head above it all Sure you can fall but not now you gotta prove something new, being you, being you Can't feel, keep from asking why be the strongest at goodby