元气说

SSS 2009-04-13

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths original atmosphere would have been unpleasantdeadly in factto any organisms that breathe oxygen. There wasnt any. Not until about 2.4 billi

发表于:2018-12-24 / 阅读(153) / 评论(0)

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英语听力暮光之城•暮色第260期:第十五章卡伦一家(9)

That's right, I answered immediately, hiding my surprise at his casual use of the word. 没错。我立刻答道，掩饰着自己对他漫不经心地用着这个词的惊讶。 He shook his head. You're incredible. 他摇了摇头：你简直难以置

发表于:2018-12-26 / 阅读(139) / 评论(0)

暮光之城•暮色

万物简史第3期:引言(3)

So thank goodness for atoms. 所以，谢天谢地，有了原子。 But the fact that you have atoms and that they assemble in such a willing manner is only part of what got you here. 不过，有了原子，它们心甘情愿地聚集在一起，这只

发表于:2019-01-01 / 阅读(204) / 评论(0)

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ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize fo

ECONOMICS REPORT - Work on 'Game Theory' Wins Nobel Prize for Two Economists By Mario Ritter Broadcast: Friday, October 14, 2005 I'm Bob Doughty with the VOA Special English Economics Report. Robert A

发表于:2019-01-02 / 阅读(209) / 评论(0)

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TED演讲:科技并没有改变爱为什么?(8)

Along with this, we see a rise of a host of beliefs: 不仅如此，各种信仰开始传播： the belief of virginity at marriage, arranged marriages -- strictly arranged marriages 坚信婚前必须保持处女身，包办婚姻（严格安排的婚

发表于:2019-01-03 / 阅读(135) / 评论(0)

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SCIENCE IN THE NEWS - Ever Wonder Where Your Ancient Ancesto

SCIENCE IN THE NEWS - Ever Wonder Where Your Ancient Ancestors Lived? By Nancy Steinbach and Jill Moss Broadcast: Tuesday, May 10, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA SPECIAL E

发表于:2019-01-07 / 阅读(182) / 评论(0)

科技之光

SSS 2008-10-17

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 1953 a student named Stanley Miller did an experiment showing that the simple chemicals present on the early Earth could give rise to the basic buildi

发表于:2019-01-08 / 阅读(175) / 评论(0)

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SSS 2009-09-17

The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

发表于:2019-01-08 / 阅读(162) / 评论(0)

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GRE优秀作文赏析：科学的作用

题目： The function of science is to reassure; the purpose of art is to upset. Therein lies the value of each. 科学的作用是解惑;艺术的目的是创新。只有这样他们才各得其所。正文： Science and art are two of the most g

发表于:2019-01-08 / 阅读(144) / 评论(0)

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英语听力：自然百科 Alternative Energy 可替代能源

When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy c

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经济学人154:爱在潜逃路惊悚小说也催泪

Love on the lam 爱在潜逃路 A rare thing: a deeply moving thriller 奇葩：惊悚小说也催泪 Schroder. By Amity Gaige. 《父亲的罪》作者艾米蒂盖奇 ERIC is the unlikeliest of characters to charm a reader. His life is a tabloid dra

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重归混沌 (The Return to Chaos)

Let us return to original chaos! 让我们重归于元始的混沌！ Let us imagine the primordial din, the original vortex! 让我们臆想那本初的喧嚣、元始的漩涡！ Let us throw ourselves into the whirlwind which has preceded the crea

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学个词Learn a Word 第1241期 comb through

今天我们要学的词是comb through。Comb through, 意思是仔细查找。龙卷风过后， Rescue workers combed through the rubble, searching for survivors, 救援人员在废墟中寻找幸存者。 Police combed through the house, looking

发表于:2019-02-05 / 阅读(271) / 评论(0)

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中国建造世界最高重力波望远镜

They were proposed almost exactly 100 years ago by Albert Einstein based on his theory of general relativity but it was only in February 2016 that scientists proved the existence of gravitational waves. And now China is starting work on the worlds hi

发表于:2019-02-06 / 阅读(181) / 评论(0)

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GRE issue高频科技类满分范文

发表于:2019-02-09 / 阅读(165) / 评论(0)

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GRE写作范文：科学的作用

GRE优秀作文：科学的作用。GRE频道小编为同学们整理了GRE优秀作文：科学的作用，供同学们参考使用，希望对同学们的gre 考试有所帮助，下面和小编一起来看看吧：题目： The function of scienc

发表于:2019-02-09 / 阅读(178) / 评论(0)

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美国国家公共电台 NPR With This Publisher, Native American Superheroes Fly High

MICHEL MARTIN, HOST: Let's talk comics now. They've gotten new life in recent years as new creators have added fresh characters and perspectives. But some Native Americans say they still find it hard to see themselves reflected in these characters. A

发表于:2019-02-13 / 阅读(146) / 评论(0)

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经济学人:天体物理尘归尘土归土

Astrophysics 天体物理 Dust to dust 尘归尘，土归土 A dramatic recent discovery in physics is looking rather dodgy 近期，物理学中的一项戏剧性发现看上出非常模糊 IN MARCH Chao-Lin Kuo, an astrophysicist at Stanford Univer

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万物简史第467期:生命在前进(9)

The Burgess Shale included a range of disparity in anatomical designs never again equaled, 布尔吉斯页岩化石所包含的横剖面的花色范围是独一无一的， and not matched today by all the creatures in the world's oceans, Gould wrote

发表于:2019-02-17 / 阅读(182) / 评论(0)

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What Is the Word Order of Adjectives?

Hi, everyone. Hows your day going? This morning, the Metro was loud, hot and crowdedagain. And the train driver kept stopping and starting so I lost my footing and bumped into someone. Ugh. I need a different way to get to work! But what? Oh, I know:

发表于:2019-02-19 / 阅读(189) / 评论(0)

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