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Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(144) / 评论(0)

万物简史

SSS 2011-03-29

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

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英文书摘精选有趣的事实,短嘴鳄可以再长牙齿

Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

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英语听力文摘 English Digest 600、科学家如何预测火山喷发？

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

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2011年，团结一心的人民掀起了一场又一场非凡的抵抗运动，反抗的火焰从阿拉伯之春蔓延到了整个世界。这种反抗运动为何如此有效？（2000年曾在塞尔维亚领导过推翻米洛舍维奇的非暴力抵抗

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TED公开课:世界权势大转移

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This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

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Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

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2006年VOA标准英语-Milosevic Buried in Hometown

By Stefan Bos Budapest 18 March 2006 Slobodan Milosevic's long time secretary Mirjana Dragojevic mourns on the marker of his grave Former Yugoslav President Slobodan Milosevic, who died in his cell in

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2006年VOA标准英语（三月）

Homeless Families in Spain Are Squatting After Eviction

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粉红猪小妹第三季

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Washington 11 March 2006 The death of former Yugoslav President Slobodan Milosevic has sparked disappointment among world leaders and victims alike that he did not live to face justice on more than 60

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By Steve Herman New Delhi 11 March 2007 Chairman and Chief Executive of Suzuki Osamu Suzuki (L) and Managing Director of Maruti Udyog Limited Jagdish Khattar (R) after inaugurating Maruti-Suzuki's new autoplant at Manesar, 06 Feb 2007 Business leade

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2007年VOA标准英语（三月）

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

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英语新闻

Former world No.1 Ivanovic upset at China Open

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发表于:2019-02-05 / 阅读(115) / 评论(0)

英语新闻

Williams beats Ivanovic to reach US Open quarter

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英语新闻

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BEIJING, Oct. 6 (Xinhua) -- Former world number one Ana Ivanovic of Serbia will return to Bali in November to defend her Commonwealth Bank Tournament of Champions title after receiving the first wild card for the event on Thursday. Last year Ivanovic

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