By Bill Rodgers Washington, DC 13 December 2006 watch News Media Changes Satellite television and the expanding power of the Internet are not only changing the way news is delivered, but also the perception of what news is and the way journalists do

发表于:2019-01-11 / 阅读(112) / 评论(0) 分类 2006年VOA标准英语(十二月)

Sea Turtles' Lost Years Mystery Unfolds 揭秘海龟遗失岁月的秘密 Satellite tracking devices attached to young sea turtles have provided new information on the so-called lost years of this endangered species. As soon as the hatchlings emerge

发表于:2019-01-14 / 阅读(95) / 评论(0) 分类 VOA标准英语2014年(三月)

DAVID GREENE, HOST: I mean, let's listen to this. (SOUNDBITE OF TV SHOW, STAR TREK: THE ORIGINAL SERIES) JAMES DOOHAN: (As Captain Montgomery Scott) Ready to transport. WILLIAM SHATNER: (As Captain James T. Kirk) Energize. D. GREENE: Yes, the familia

发表于:2019-01-16 / 阅读(105) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve

发表于:2019-01-26 / 阅读(53) / 评论(0) 分类 英语听力文摘 English Digest

By Jim Randle Irbil, Iraq 12 October 2006 Iraqi authorities say gunmen stormed a new Iraqi satellite television station in eastern Baghdad early Thursday killing 11 employees. At least eight other people perished elsewhere in a series of attacks. --

发表于:2019-02-03 / 阅读(110) / 评论(0) 分类 2006年VOA标准英语(十月)

Despite all this scientific effort, we still don't know what triggered Venus' diabolical transformation. People debated over whether Venus ever had a moon. If Venus had a satellite at one point, could that satellite eventually impacted onto the surfa

发表于:2019-02-15 / 阅读(108) / 评论(0) 分类 自然百科2012年