标签：fossil 相关文章
Lesson one ancestor 祖先 anthropologist 人类学家 flint 燧石 fossil 化石 fossil man 化石人 Indonesia 印度尼西亚 legend 传说 migration 迁移， 移居 Polynesian 波利尼西亚 recount 叙述 rot 烂掉 saga 英雄故事 trace 踪迹
新概念英语第四册单词MP3
But the glyptodont wasn't a reptile. So what was it? There is a relative of the glyptodont thats still alive today. It's the armadillo and it's a mammal, the only mammal with this kind of armor in the whole of North America. It may give us some idea
探索与发现2012年
The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be fossilized. Ichthyosaurs had a higher chance of being
考研背诵50篇
Dinosaurs Live Again at an American Museum 恐龙在美国博物馆再生 Many millions of years ago, the last dinosaurs lived in what is now the American West. Now, scientists studying dinosaur fossils have documented what happened to the ancient cr
2014年VOA慢速英语(十二)月
Prototype Solar Cars Train Future Alternative Energy Experts JOHANNESBURG In South Africa, students at the University of Johannesburg have taken on the challenge of building their own solar cars and racing them in competitions. While it offers plenty
VOA常速英语2013年(十二月)
The invention of the incandescent light bulb by Thomas A. Edison in 1879 created a demand for a cheap, readily available fuel with which to generate large amounts of electric power. Coal seemed to fit
新东方背诵文选
The preservation of embryos and juveniles is a rate occurrence in the fossil record. The tiny, delicate skeletons are usually scattered by scavengers or destroyed by weathering before they can be foss
新东方现代文背诵篇章
今天我们要学的词是 wean. Wean 的意思是断奶，断绝。Fuel taxes are part of president Macron's strategy of weaning France off fossil fuels. 税收是马克龙希望法国摆脱石化燃料战略的一部分。 The new government of Pa
英语单词荟萃
(BBC News) American scientists have discovered a fossil of a duck-sized，flightless dinosaur，which was apparently covered in feathers. （英国国家广播公司报道）美国科学家发现了一个鸭子大小的化石，那是一只无法飞行
赖世雄英语新闻听力通
The invention of the incandescent light bulb by Thomas A. Edison in 1879 created a demand for a cheap, readily available fuel with which to generate large amounts of electric power. Coal seemed to fit the bill, and it fueled the earliest power statio
考研背诵50篇
By Jessica Berman Washington 21 March 2008 Scientists have concluded that the world's oldest primate fossil known as the Millennium Ancestor belongs to a group that includes prehistoric humans rather than apes. Investigators studying the remains have
VOA标准英语2008年（三月）
SharkFinder Brings Science Excitement to Classrooms 把科学带进教室 Science is advanced by professional researchers and scientists. Yet, many believe that average citizens - including school children - can make contributions to scientific advan
VOA标准英语2014年(八月)
Beginners. Some people say that the weather is changing all over the world. Do you believe that? What do you think? I'm not sure if it is true, but sometimes the local weather does something unusual. Here in Wenatchee, the weather is normally very re
英语博客 A cup of English
SCIENCE IN THE NEWS -April 23, 2002: Study of Shipwrecks in Europe / Feathered Dinosaur / Foods That Can Keep You Healthy Broadcast: VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty w
科技之光
By Barry Wood Fossil Rim, Texas 26 November 2007 To see some of the world's most impressive wild animals, many people travel to Africa and go on a safari. But people in Texas can find some of these exotic animals close to home, not just in zoos, but
VOA常速英语2007年（十一月）
By Paul Sisco Washington 07 March 2007 watch Ethanol Alternative Fuel President Bush speaks to reporters about how cellulosic ethanol can be produced from biomass such as spruce wood chips President Bush leaves this week for a five nation Latin Amer
2007年VOA标准英语（三月）
By Greg Flakus Houston 14 November 2007 The fossilized bones of a female hominid creature who lived about three-million years ago in what is now Ethiopia, continues to draw crowds at Houston's Museum of Natural Science. Recently visiting the skeleton
VOA常速英语2007年（十一月）
New UN report highlights livestock production as major environmental threat Steve Baragona | Washington, DC 04 June 2010 A new United Nations report singles out food production as a major factor driving environmental degradation. Raising animals for
VOA标准英语2010年(六)月
Rotting Flesh Offers Insight on Fossilization The fossil record is far from being a complete library of everything that's ever lived. 化石记录不止是曾经存活生物的藏书阁. The vast, vast majority of everything that's ever lived has com
2018年科学美国人3月
Acanthostega 这种生物已经演化出前后肢，但每肢都有８趾。这种生物是从鱼类进化到两栖类的过渡产物。而且，它具有更多的鱼类特征，如有鳃、鳍和只能在水中起作用的感官。伦敦自然历史博
英语听力文摘 English Digest