四苯呋喃

Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! 汪培珽分级书单(MP3+绘本) TOP50初级英文绘本

发表于:2018-12-06 / 阅读(70) / 评论(0) 分类 汪培珽七 The Mona Mousa Code

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(111) / 评论(0) 分类 万物简史

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

发表于:2018-12-24 / 阅读(92) / 评论(0) 分类 Scientific American(三)月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 Scientific American(一)月

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

发表于:2018-12-28 / 阅读(57) / 评论(0) 分类 初学者听力文摘精选

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

发表于:2018-12-31 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

剧情简介 继那只脾气坏又好吃懒作的加菲猫搞出了一大堆是是非非之后,大银幕上的新一代宠儿由三只古灵精怪的花栗鼠接手故事开始于一个生活在洛杉矶、雄心勃勃却又怀才不遇的词曲作家戴夫所面对的一系列窘境,他的制作人伊恩对于他的作品和女友克莱尔似乎都不甚满意,也

发表于:2019-01-01 / 阅读(54) / 评论(0) 分类 影视英语听力

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(89) / 评论(0) 分类 医务英语

By Peter Fedynsky Washington, DC 21 November 2006 watch Counterterrorism v Darfur President Bush's Special Envoy for Sudan has denied an allegation that the counterterrorism cooperation between Khartoum and Washington is impeding U.S. efforts to sto

发表于:2019-01-07 / 阅读(156) / 评论(0) 分类 2006年VOA标准英语(十一月)

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

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 Scientific American(四)月

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

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 Scientific American(十一)月

Lesson 21 Fur and Paws 第21课 毛和爪子 1. What is it? 1. 它是什么? A cat has fur, paws and a tail. 猫有毛,爪子和尾巴。 fur 毛 paws 爪子 tail 尾巴 2. Let's sing a song. 2. 来唱一首歌。 I saw a dog in a purple hat, On

发表于:2019-01-09 / 阅读(140) / 评论(0) 分类 冀教版小学英语(三起)--第三册

By Anita Elash Paris 25 June 2007 A conference in Paris aimed at finding a solution to the crisis in Darfur has ended with an agreement to coordinate future measures in the troubled region. But as Anita Elash reports for VOA from Paris, most of the k

发表于:2019-01-13 / 阅读(113) / 评论(0) 分类 2007年VOA标准英语(六月)

By Noel King El Fasher, Sudan 05 June 2006 Sudanese children collect water from a well in the village of Brikatouly in South Darfur, Sudan The international community is pressing the parties in Sudan'

发表于:2019-01-31 / 阅读(116) / 评论(0) 分类 2006年VOA标准英语(六月)

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

发表于:2019-02-04 / 阅读(211) / 评论(0) 分类 英语新闻

By Peter Fedynsky Moscow 04 March 2008 The government of Ukraine will meet Wednesday to consider options in the face further reductions in natural gas deliveries from Russia. VOA Moscow Correspondent Peter Fedynsky reports that Russia's state-run ene

发表于:2019-02-05 / 阅读(107) / 评论(0) 分类 VOA标准英语2008年(三月)

The U.S. State Department, responding to Wednesday's International Criminal Court arrest warrant for Sudanese President Omar el-Bashir, said those who have committed atrocities in Sudan should be held accountable for their crimes. The United States

发表于:2019-02-05 / 阅读(74) / 评论(0) 分类 VOA标准英语2009年(三月)

以引人注目的大规模工程(比如纽约海港的瀑布)而知名的艺术家Olafur Eliasson,用空间,距离,颜色和光亮创造了艺术。这个富有想像力的讲座一开始就做一个关于知觉的试验。

发表于:2019-02-05 / 阅读(79) / 评论(0) 分类 TED公开课:艺术与幻觉

By Noel King Khartoum 06 December 2006 The United Nations and African Union are on high alert in El Fasher, the capital city of northern Darfur. Attacks by militias, known as Janjaweed, have jeopardized the Darfur Peace Agreement. From Khartoum, Noe

发表于:2019-02-08 / 阅读(163) / 评论(0) 分类 2006年VOA标准英语(十二月)

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(114) / 评论(0) 分类 万物简史