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[每日一句口语] 每日一句口语 第270期:地球一小时
每日 一句 地球2012-11-05 编辑:Nic
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[环境] PBS高端访谈:PBS新纪录片"Earth:The Operator's
JUDY WOODRUFF: Finally tonight: Yesterday was Earth Day, with celebrations around the globe.Hari Sreenivasan talked recently&2012-10-23 编辑:melody
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[电影词汇季] 电影词汇季第1季第12集: Around the World in 80 Days 《环游
S1-12 Around the World in 80 Days 《环游地球80天》重点词汇:1.ensure:vt.使确定,担保,确保(某事结果,确定性)【同】assure,insure(v.确保)【固】~ quality/safety 保证质量/确保安全assure:vt.使确信,使放心assuranc2012-10-11 编辑:lily
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[经济学人科技系列] 另一个地球? 远离家乡的家
Science and Technolgy科技Another Earth?另一个地球?Home away from home远离家乡的家The existence of the most Earthlike planet2012-10-08 编辑:justxrh
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[科学美国人60秒地球系列] 科学美国人60秒:地球工程能阻止热浪吗?
When Mount Pinatubo erupted in 1991, the injection of sulfur particles into the atmosphere cooled the planet. Takin2012-09-28 编辑:melody
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[听力文摘] 听力文摘第79期:地球为什么是圆的?
Why the Earth Is Round?地球为什么是圆的?Our never-thought to ask question for today is: Why is the earth round? Why no2012-09-27 编辑:Rainbow
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[科学美国人60秒地球系列] 科学美国人60秒:地球上到底有多少生命?
The charismatic megafauna may get all the attention, but it's amoebas, nematodes and microbes that make up the bulk of life on Earth. So how many microbes are in the sea floor? A new analysis2012-09-05 编辑:melody
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[TED演讲] TED演讲:地球的9大极限
人类发展已经造成地球资源的紧张,但是约翰·罗克斯特伦提醒我们,人类科学技术进步也使我们认识到这一切,并随之改变这种行为。他的研究发现了9大“地球界限”通过这个发现可以指引我们保护地球上息息相关的众多生2012-08-20 编辑:lily
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[听力文摘] 听力文摘第40期:地球同步卫星(2)
A Stationary Satellite, part 2地球同步卫星(二)A geostationary satellite orbitsthe planet at the same rate as the planet rotates, so the satellite is always over the same patch of ground.同步卫星以行2012-07-27 编辑:rainbow
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[关注社会] 地球资源是否真的即将告罄?
Is the Earth running out of minerals?地球上的矿产资源是否即将告罄?A recent and widely publicized proposal to mine asteroids for nickel, platinum and other key ingredients for metals is based in part2012-07-02 编辑:justxrh