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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

发表于:2018-12-08 / 阅读(55) / 评论(0)

VOA常速英语2008年（四月）

美国有线新闻 CNN 2013-07-22

Showing you images that just released of Boston bombing suspect Dzhokhar Tsarnaev, coverred in blood he would be arrested by police. * has the behind scene photos for us trying what is going on here, why are these photos now being released. We'll see

发表于:2018-12-19 / 阅读(71) / 评论(0)

CNN2013年(七)月

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

发表于:2019-01-02 / 阅读(62) / 评论(0)

2017年VOA慢速英语(七)月

VOA慢速英语2011--Mobile Devices' Location Tracking Raises

Technology Report - Mobile Devices' Location Tracking Raises Privacy Concerns This is the VOA Special English Technology Report. Lawmakers in the United States have expanded an investigation into the use of location-tracking systems on mobile devices

发表于:2019-01-12 / 阅读(66) / 评论(0)

2011年VOA慢速英语(五)月

Tracking Outer Space Debris

Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,

发表于:2019-01-19 / 阅读(64) / 评论(0)

世界各地新闻集锦

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

发表于:2019-01-31 / 阅读(72) / 评论(0)

VOA常速英语2007年（十一月）

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单词：induced absoption band

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