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This is Scientific American's 60-Second Science, I am Cynthia Graber. This will just take a minute. Counterfeiters and money minters constantly try to outsmart each other. But money could become much harder to forgethanks to butterfly wings. Butterfl
Scientific American(六)月
When one must overcome And one must fight for light and some Came across the power of the sea Or the blowing of the North-wing. Then were the times ahead For men in victory or death Still bravery of them is told in Saga! These stories are about the H
英文摇滚歌曲
Fire has left V?in??l?'s heart stones Light has gone Dark nights no light under the sky Hard to find the fire-child Eagle of fire with fiery feathers Made a spark Ukko made the Kokko's spark Kindle as a fire [Chorus:] Fly into the night bring back th
英文摇滚歌曲
By Bill Gasperini Moscow 29 January 2006 Georgian man wheels in a barrow of free firewood distributed by the authorities in Tbilisi, 29 January 2006 Russian natural gas has begun to flow through the m
2006年VOA标准英语（一月）
Russian Prime Minister Vladimir Putin warns that the era of cheap natural gas is ending because of multi-billion dollar investments needed to develop the industry. Vladimir Putin speaks at a meeting of a dozen leading natural gas exporters who conve
VOA标准英语2008年(十二月)
By Peter Fedynsky Moscow 11 November 2009 Russia's Prime Minister Vladimir Putin Russian Prime Minister Vladimir Putin has warned Ukraine he will cut off the country's gas supplies if it siphons fuel from export lines. Mr. Putin made the statement i
VOA标准英语2009年(十一月)