IN THE NEWS - Missing Explosives in Iraq By Cynthia Kirk Broadcast: Saturday, October 30, 2004 This is Steve Ember with In the News in VOA Special English. On Monday, the United Nations nuclear agency

发表于:2019-01-02 / 阅读(47) / 评论(0) 分类 教育与新闻

RANDI KAYE, CNN CORRESPONDENT: We take our shoes off, remove our laptops, and toss our bottled water all in the name of safety. But are we any safer today than we were before 9/11? Not exactly, says Bruce Schneier, author and security technologist. B

发表于:2019-01-08 / 阅读(124) / 评论(0) 分类 CNN2010年(一)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(九)月

[00:01.56]Gunpowder [00:03.47]Gunpowder was invented by the Chinese [00:05.73]in the eighth century AD. [00:08.28]Early Chinese scientists discovered [00:10.64]that they could make an explosive substance [00:12.76]by mixing sulphur,charcoal and saltp

发表于:2019-01-10 / 阅读(165) / 评论(0) 分类 北师大版高中英语模块7(选修)

Independence Day 词汇典故:独立日 Hello and welcome to the VOA Learning English program Words and Their Stories. Independence Day is a huge celebration in the United States. People celebrate by having parades and picnics and usually end the day

发表于:2019-01-12 / 阅读(42) / 评论(0) 分类 2015年VOA慢速英语(七)月

萨拉热窝市中心爆炸,无一人伤亡 SARAJEVO, Feb. 10 (Xinhua) -- A huge explosion was heard in central Sarajevo Monday night, and police said there were no injuries. A local police press officer told Xinhua the explosion occurred at the en

发表于:2019-02-05 / 阅读(52) / 评论(0) 分类 英语新闻