音标：['ɡaiə; 'ɡeiə] ；

盖亚假说(支配大气和海洋的大面积夜星循环图案有力地支持了地球自身是一个有机体的观念)

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In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model that helps scientists picture the way an observed event could be produc

发表于:2018-12-01 / 阅读(219) / 评论(0)

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[00:04.49]Scientific Attitudes [00:06.97]科学的态度 [00:09.46]Science had its beginning when man started asking questionsabout his environment. [00:14.18]科学起源于人类开始对自身环境产生疑问的时候. [00:18.91]He wondered where the sun went at night an

发表于:2018-12-04 / 阅读(132) / 评论(0)

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发表于:2018-12-04 / 阅读(110) / 评论(0)

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(woman) In our lab today, we'll be testing the hypothesis that babied can count as early as five months of age. The six babies here are all less than six months old. You'll be watching them on closed-circuit TV and measuring their responses. The exp

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Murals Brighten Baltimore Neighborhood Sam came from South Africa to participate in the program known as Open Walls. Hes painted murals across the world. I get to learn about the world through painting art. If I came here as a tourist, I would never

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人的一生中，将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时；即使成年后，每夭至少要睡 6～7小时。不管睡眠时间长短如何，睡觉看来是人必不可少的行为。这一点

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Solving problems Scientifically

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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(175) / 评论(0)

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Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(154) / 评论(0)

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2015女孩起名TOP50 你喜欢哪个英文名？

Today we're on a journey to discovering the most popular baby girl names in 2015. According to Nameberry's list, this year parents choose both usual and unusual names for girls from Alina and Veronica to Bea and Tallulah, every other name astonishes

发表于:2019-01-08 / 阅读(147) / 评论(0)

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Scientists Plan to Make 3-D Map of the Milky Way 科学家计划制作银河系的3d地图 From VOA Learning English, this is Science in the News. Im June Simms. And Im Jim Tedder. Today on the program, we tell about developments in space exploration

发表于:2019-01-12 / 阅读(122) / 评论(0)

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Modern European languages tend to share their names with the places they're spoken. Swedish: Sweden. German: Germany. And so on. But where'd they come from before that? One theory is the Anatolian hypothesis, Anatolia referring roughly to the Asian p

发表于:2019-01-20 / 阅读(124) / 评论(0)

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Del Bosque warns of Italian threat in Euro 2012

MADRID, Dec. 2 (Xinhua) -- Spain coach Vicente del Bosque was cautious about his side's chances of success in the 2012 European Championship after the draw was held in Kiev on Friday. Spain travel to the competition, which will be held in Poland and

发表于:2019-02-18 / 阅读(119) / 评论(0)

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【英语语言学习】宝贝们都在想什么

What is going on in this baby's mind? If you'd asked people this 30 years ago, most people, including psychologists, would have said that this baby was irrational, illogical, egocentric -- that he couldn't take the perspective of another person or un

发表于:2019-02-23 / 阅读(111) / 评论(0)

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发表于:2019-03-04 / 阅读(182) / 评论(0)

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生活大爆炸第一季第二集_3The Big Bran Hypothesis -Penny：Hey, Raj. 嗨，Raj。 Hey, listen. 嘿，听着。 I don't know if you heard about what happened last night with Leonard and Sheldon, 我不知道你是否听说了，昨晚 Leonard和

发表于:2019-03-16 / 阅读(391) / 评论(0)

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aryteno-epiglottic fold(or aryepiglottic fold)

beta-Ureidopropionase

bethune (la bethune riviere)