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(57) / 评论(0) 分类 VOA常速英语2008年(四月)

[scene: the four guys play the chess invented by themselves] chess: 国际象棋 invent: 发明 -Rajesh: Knight to queen's bishop-five. Knight: 骑士【国际象棋棋子】 Queen: 女皇【国际象棋棋子】 bishop: 主教【国际象棋棋子,这

发表于:2019-01-28 / 阅读(40) / 评论(0) 分类 生活大爆炸第二季

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)

China's Defense Ministry has asked the US to stop conducting reconnaissance activities close to China to prevent hazardous incidents. Spokesperson Yang Yujun was responding to US claims that two Chinese jet fighters last week unsafely intercepted one

发表于:2019-02-05 / 阅读(65) / 评论(0) 分类 cctv9英语新闻2016年

军事英语词汇 导弹 missiles 洲际导弹 intercontinental missile 中程导弹 mediurn-range missile 巡航导弹 cruise missile 核弹头 nuclearwerhead 地对地导弹 surface to-surface missile 地对空导弹 surface-to-air missile 舰对空导弹 ship-to-air missile 空对空导

发表于:2019-02-06 / 阅读(61) / 评论(0) 分类 英文语法词汇

今天我们要学的词是 reconnaissance. Reconnaissance 名词,意思是侦察。U.S. military officials say the American forces ambushed in Niger were on a reconnaissance patrol. 美国军方官员说,在尼日尔遭遇伏击的美军当时正在

发表于:2019-02-16 / 阅读(56) / 评论(0) 分类 英语单词荟萃