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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t
发表于:2018-12-24 / 阅读(130) / 评论(0)
Scientific American(十)月
Scientific American(十)月
By Heda Bayron Hong Kong 02 August 2007 U.S. scientists say clouds of man-made haze that blanket southern and eastern Asia are helping accelerate the melting of the Himalayan glaciers. VOA's Heda Bayron reports from our Asia News Center in Hong Kong
发表于:2019-02-05 / 阅读(129) / 评论(0)
2007年VOA标准英语（八月）
2007年VOA标准英语（八月）
1. Rescue teams have reached the epicenter of China's massive 7.9 magnitude earthquake. Chinese media report fewer than 100 people have been saved in Sichuan Province. Nearly 15, 000 have died and the number is expected to go even higher. 2. Authori
发表于:2019-02-11 / 阅读(159) / 评论(0)
美联社新闻一分钟2008年(五)月
美联社新闻一分钟2008年(五)月