VOA标准英语2010年-Graphene Discovery Wins Nobel Prize

It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co

发表于:2019-01-14 / 阅读(76) / 评论(0)

VOA标准英语2010年(十)月

VOA标准英语2014--Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯

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

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VOA标准英语2014年(二月)

美联社新闻一分钟 AP 2014-06-13

NATO says 5 service members were killed in an attack in southern Afghanistan on Monday. Part of a monorail under contruction in Sao Paulo, Brazil ahead of the World Cup collasped, killing one man. Las Vegas authorities say the husband and wife who we

发表于:2019-02-12 / 阅读(83) / 评论(0)

美联社新闻一分钟2014(六)月

VOA标准英语2009年-Hungarians Have Mixed Feelings About Colla

By Peter Fedynsky Budapest 03 November 2009 In this June 27, 1989 file picture, then Hungarian Foreign Minister Gyula Horn, right, with Austrian counterpart Alois Mock cut through barbed wire of former Iron Curtain marking border between East, West

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VOA标准英语2009年(十一月)

宝石英语词汇

Aquamarine 海蓝宝，兰玉 Garden Crystal 绿幽灵 Azurite 兰铜矿 Aventurine 砂金水晶 Amethyst 紫水晶 Ametrine 紫黄晶 Amber 琥珀 Emerald 翠玉 Onyx 黑玛瑙 Opal 蛋白石 Obsidian 黑耀石 Carnelian 红玉髓 Calcite 方解石

发表于:2019-02-13 / 阅读(61) / 评论(0)

实用英语

VOA标准英语2009年-Norwood, Ohio, Moves Beyond Blue Colla

Mike Osborne | Norwood, Ohio 04 December 2009 Mayor Tom Williams says Norwood survived the closure of its GM plant and is doing well today thanks to a diversified economy Some economists say the recession that began in the United States late in 2007

发表于:2019-02-19 / 阅读(68) / 评论(0)

VOA标准英语2009年(十二月)

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学英语单词

aleuronoid

ALGOL-like language

all that glitters is not gold

buret meniscus reader

Caltagirone, Fiume