单词：undoped material
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encyclopedia /ensaɪklə'pi:dɪə/ There are four different encyclopedias in the reference section in our school library. -- (literally, well-rounded rearing of a child) work offering alphabetically arranged information on various branches of knowled
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by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
法律英语 Legal Lad
Pedalo The Heart Strings It seems as good a day as any To start my trek across the ocean With no funds for ship or sail I'll use my legs and my devotion. An aqua bike will be my vessel And high adventure the land I seek So farewell friends who've com
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Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre
VOA标准英语2014年(二月)
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
VOA标准英语2014年(七月)
By Sarah Simpson Katsina, Nigeria 06 April 2007 Umaru Yar'Adua is the man most likely to become the president of Africa's most populous and oil-rich country, Nigeria. But until he emerged as the ruling party candidate in next month's presidential pol
2007年VOA标准英语（四月）