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EXPLORATIONS - Mars Exploration, Part 2

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发表于:2018-12-01 / 阅读(184) / 评论(0)

Explorations

英语听力：探索发现科学新发现：我们的大气层-23

But the friction and heat wears away at the space rock, the hot air actually melts the metal surface, and often the collision with the atmosphere can have a shattering effect, splitting the meteorites along fissures. This is an actual meteorite, and

发表于:2018-12-03 / 阅读(116) / 评论(0)

探索与发现2014年

Horizon - Life On Mars 火星生命 - 8

But even if there had been water, life doesn't start overnight. Even a simple microbe is the product of complex chemical systems that take millions of years to evolve. Had the water lasted long enough

发表于:2018-12-07 / 阅读(117) / 评论(0)

火星生命

SCIENCE IN THE NEWS - Plate Tectonics

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发表于:2018-12-07 / 阅读(103) / 评论(0)

2013年VOA慢速英语(三)月

VOA慢速英语 2008 1028b

VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Steve Ember. VOICE TWO: A massive earthquake in China's Sichuan province earlier this year was the country's worst in more than 30 years. And I'm Barbara Klein. Scientists who study

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VOA慢速英语2008（十）月

朗文3L看听学英语第四册 Lesson 71

Lesson 71 Television Day: Moonflight TV Commentary: Last week we recorded this interview with one of the astronauts who had returned from a recent moonflight. We asked him tc tell us what he had done and what he had seen. We asked him what it was lik

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朗文3L看听学英语第四册

凯瑟琳升职记:商务辩论之别找麻烦了

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凯瑟琳升职记

VOA慢速英语 2007 0619b

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violent and

发表于:2019-01-11 / 阅读(119) / 评论(0)

VOA慢速英语2007年（六）月

VOA慢速英语2011-SCIENCE IN THE NEWS - Earth’s Continent

FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Faith Lapidus. STEVE EMBER: And I'm Steve Ember. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violen

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2011年VOA慢速英语(一)月

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Earth is Always on the Move 地壳总是在运动的 From VOA Learning English, this is SCIENCE IN THE NEWS, in Special English. Im Kelly Jean Kelly. And Im Christopher Cruise. Scientists who study the Earth tell us the continents and ocean floors ar

发表于:2019-01-11 / 阅读(111) / 评论(0)

2013年VOA慢速英语(八)月

VOA慢速英语2012--SCIENCE IN THE NEWS - The Moving Story of Plate Tectonics

SCIENCE IN THE NEWS - The Moving Story of Plate Tectonics FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Scientists who study the Earth tell us the continents and ocean floors ar

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2012年VOA慢速英语(一)月

VOA慢速英语2014 Earth's Surfaces Are Always Moving 地球表面一直在运动

Earth's Surfaces Are Always Moving 地球表面一直在运动 From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Scientists who study the Earth tell us the continents and ocean floors are always moving

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2014年VOA慢速英语(四)月

英语听力：自然百科澳大利亚大堡礁 Great Barrier Reef—6

Like these sea fans, the last frontier of life on the reef. The divers reach their target-- a massive ridge, 190 feet down. Here, the air they are breathing is under pressure, squeezed down so that there's more gas in every lungful. They have to hope

发表于:2019-01-22 / 阅读(131) / 评论(0)

自然百科2011年

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Todd: So, James, you're in a band! James: Yes! Todd: OK, tell us about your band. James: I play in a Swedish Bubblegum Punk Band. Todd: Swedish Bubblegum Punk Band. What exactly is that? James: I don't know, but that's what it says on the CD. Todd: O

发表于:2019-01-25 / 阅读(90) / 评论(0)

英语趣味课堂

VOA慢速英语20060418c

SCIENCE IN THE NEWS - Plate Tectonics: Nature's Way of StretchingBy Nancy Steinbach Broadcast: Tuesday, April 18, 2006 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barba

发表于:2019-01-30 / 阅读(228) / 评论(0)

2006年慢速英语（四）月

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VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Steve Ember. Scientists who study the Earth tell us that the continents and ocean floors are always moving. Sometimes, this movement is violent and mig

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2010年慢速英语(一)月

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托福英语

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托福英语

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So all that can be said is that at some slightly indeterminate point as we head toward the center of Earth we leave the asthenosphere and plunge into pure mantle. 因此，我们只能说，在前往地球中心的过程中，我们会在某个不大确

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