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(56) / 评论(0) 分类 VOA常速英语2008年(四月)

今天我们要学的词组是probe。 Probe的意思是彻底调查。伊拉克政府最近调查萨达姆被处决时为什么会出现嘲弄等混乱局面,以及处决过程是如何被秘密录像的,Iraq is probing the disorder during Sadda

发表于:2018-12-30 / 阅读(61) / 评论(0) 分类 英语每日一词

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发表于:2019-01-26 / 阅读(48) / 评论(0) 分类 英语单词荟萃

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(65) / 评论(0) 分类 英语新闻

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(74) / 评论(0) 分类 VOA常速英语2007年(十一月)

BAIKONUR, Kazakhstan, Nov. 9 (Xinhua) -- Russia's Phobos-Grunt probe and China's Yinghuo-1 satellite were launched from the Baikonur cosmodrome in Kazakhstan on a Zenit-2SB rocket at 00:16 am Moscow time Wednesday (2016 GMT Tuesday). The main aim of

发表于:2019-02-18 / 阅读(54) / 评论(0) 分类 英语新闻