By Nancy-Amelia Collins Jakarta 29 May 2007 The United States' top nuclear negotiator urged North Korea to quickly honor its February commitment to shut down its nuclear reactor. VOA's Nancy-Amelia Collins in Jakarta has more. Christopher Hill speaks

发表于:2018-12-16 / 阅读(73) / 评论(0) 分类 2007年VOA标准英语(五月)

Mind-Controlled Prosthetics Are Getting Closer Scientists and engineers are making substantial advances towards the ultimate goal in prosthetics creation of limbs that can be controlled by the wearers mind. Thanks to sophisticated sensors capable of

发表于:2019-01-03 / 阅读(53) / 评论(0) 分类 VOA标准英语2015年(五月)

SCIENCE IN THE NEWS -May 21, 2002: First electronically controlled animals / Study of mothers and their sons / Effects of global warming Broadcast: VOICE ONE: This is Sarah Long. VOICE TWO: And this i

发表于:2019-01-07 / 阅读(64) / 评论(0) 分类 科技之光

By Stephanie Ho Washington 15 July 2007 U.S. National Security Advisor Stephen Hadley says Washington still has concerns about North Korea's nuclear program, despite Pyongyang's decision to shut down its main plutonium reprocessing facility. VOA's St

发表于:2019-02-01 / 阅读(88) / 评论(0) 分类 2007年VOA标准英语(七月)

By Daniel Schearf Beijing 11 April 2007 Christopher Hill (file photo) The U.S. envoy to six-nation talks has urged North Korea to begin shutting down its nuclear facilities after Pyongyang indicated it wants a Saturday deadline on the shutdown extend

发表于:2019-02-05 / 阅读(76) / 评论(0) 分类 2007年VOA标准英语(四月)

The United States will send two senior officials to Syria within the next few days, possibly signaling a new direction in Middle East diplomacy by the Obama administration. US Secretary of State Hillary Rodham Clinton delivers a statement in Jerusal

发表于:2019-02-06 / 阅读(55) / 评论(0) 分类 VOA标准英语2009年(三月)