标签：最大的蛇化石 相关文章
它被称作没有化石的燃料：Jonathan Trent正在研究如何利用来自城市的废水在沿海养殖微藻并生产新型生物燃料。来听听他团队的大胆设想方案OMEGA(Offshore Membrane Enclosures for Growing Algae)是如何能够
TED公开课:环境 重造计划
本次考试的题目配置：3旧1新，本次的考试选择题与填空题在题量上对等。Section One：填空题;Section Two：单项选择题 + 地图配对题;Section Three：配对题 + 多项选择题;Section Four：填空题。年初的一
雅思机经
Ralph Waldo Emerson described language as fossil poetry. 诗人艾默生曾将语言描述为化石般的诗。 But before it was fossil poetry, language was fossil metaphor. 但是在它成为化石般的诗之前，语言是化石般的暗喻。 An
TED演讲教育篇
Oil is good and bad. Its good because it helps our energy needs. Its bad because it causes pollution. Oil is a fossil fuel. Burning it produces carbon dioxide (CO2). This is one of the biggest causes of global warming. There isnt much oil left in the
听一分钟英文-O
核心句型： He is totally a stick-in-the-mud. 他是个名副其实的老古董。 a stick-in-the-mud字面意思是：插在烂泥中的树枝，树枝在烂泥中没有任何松动的余地，以此来比喻：刻板单调、墨守成规的老古
轻松日记商务职场篇
A tourist was visiting New Mexico and was amazed at the dinosaur bones lying about.
英汉幽默故事选读
Knife Cuts on Mastodon Bone Reveal Earlier Humans 乳齿象骨化石上的刀痕!人类文明比你我想象的更久 Scientists diving in a Florida river found bones and tools that could change the history of humans in the Americas. These new items
2016年VOA慢速英语(六)月
Science and technology 科学与技术 Splay-footed, not flat-footed 不是扁平足而是八字足 A new fossil shows that evolution does not always mean change 新发现的化石显示，进化并不总意味着变化 Palaeontology 古生物学 The
经济学人科技系列
Science and Technology Palaeontology Splay-footed, not flat-footed 科技 古生物学 不是扁平足而是八字足 A new fossil shows that evolution does not always mean change 新发现的化石显示，进化并不总意味着变化 WHEN a coela
经济学人科技系列
It would be hard to think of a more overlooked person in the history of paleontology than Mary Anning, but in fact there was one who came painfully close. His name was Gideon Algernon Mantell and he was a country doctor in Sussex. 在古生物学史上
万物简史
By this time, however, paleontological momentum had moved to England. In 1812, at Lyme Regis on the Dorset coast, an extraordinary child named Mary Anningaged eleven, twelve, or thirteen, depending on whose account you readfound a strange fossilized
万物简史
In the same yearin fact, the same monththat the aristocratic and celebrated Cuvier was propounding his extinction theories in Paris, on the other side of the English Channel a rather more obscure Englishman was having an insight into the value of fos
万物简史
Unaware that disappointment was going to be a continuing feature of his life, Mantell continued hunting for fossilshe found another giant, the Hylaeosaurus, in 1833and purchasing others from quarrymen and farmers until he had probably the largest fos
万物简史
Such old shells found in the rocks are called fossils. 这些从岩石中找到的古老甲壳，名叫化石。 Another kind of rock in which many fossils are found is called limestone. A drop of acid or of strong vinegar will tell you whether a sto
英国学生科学读本
Only about one bone in a billion, it is thought, ever becomes fossilized. 据认为，在10亿根骨头当中，只有大约l根能变成化石。 If that is so, it means that the complete fossil legacy of all the Americans alive todaythat's 270 mill
万物简史
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
万物简史
21 Life Goes On 第二十一章 生命在前进 It isn't easy to become a fossil. 要变成化石可不容易。 The fate of nearly all living organismsover 99.9 percent of themis to compost down to nothingness. 几乎所有的生物其中的99.9%以上
万物简史
They keep a Whale's Rib of an incredible length for a Miracle, 庙里把一根长得叫人不能置信的肋骨保存在那里， which lying upon the Ground with its convex part uppermost, makes an Arch, the Head of which cannot be reached by a Man
白鲸记
Ere entering upon the subject of Fossil Whales, I present my credentials as a geologist, by stating that in my miscellaneous time I have been a stone-mason, 在着手处理化石鲸这题目之前，我得呈缴我的地质学家的证状，以证明我
白鲸记
听力文本 Recording 29 录音29 What I appreciate most about my work is the fact that I can turn the fossils I find into information we can actually use. 我对于自己的工作中最欣赏的一点是，我能把我找到的化石转化成我们能
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