标签:史前鳄鱼化石 相关文章
大约十万年前,我们的祖先离开了他们的家园非洲,开始了他们伟大的旅程,这次旅程结束于男性统治地球时期。在他们的这次旅程中,他们将和极似怪物的动物直接面对面,登上危险的大陆
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
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
The rotting corpse of a juvenile Tyrannosaurus Rex laid buried beneath mud carried in from some prehistoric river. 幼年雷克斯暴龙腐烂的尸体被史前河流冲走并且埋在泥里。 The hypothesis is that two T-Rexes were in a fight and o
CAT scan evidence would also reveal another clue. CT扫描也揭示了另一条线索。 The Raptors at this site were incredibly agile. 在这一战场上的迅猛龙惊人地敏捷。 We have a sense that this animal could really move around with a
Gastonia, built like a prehistoric tank, it's body covered in armor. 加斯顿龙,身上披盔戴甲仿若史前坦克。 Huge spikes jutted from its back and its tail worked like a chainsaw. 它的背后支出巨大尖刺尾巴简直如同链锯。
Charms and Symbols Cornerstone 1 Even buildings made of steel and glass usually have a cornerstone, often engraved with the date construction began. It is a talisman 2 intended to bring luck not only
But people didn't yet know how to build houses. 但是人们当时还不知道如何建造房屋。 Not a pleasant thought, since at that time it was often intensely cold at certain periods far colder than today. 一想到这点令人很不愉快,因
Yet with all of these things there must have been a first time. 可是这一切必定有过第一次出现的时候。 Someone must have made the discovery. 这必定是某个人发明的。 Isn't it an amazing thought that, one day, a prehistoric ma
A tourist was visiting New Mexico and was amazed at the dinosaur bones lying about.
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
From VOA Learning English, this is EXPLORATIONS in Special English. I'm Christopher Cruise. And I'm Kelly Jean Kelly. Today, we report on new knowledge about Stonehenge, the famous, ancient stone circles in southern England. Laser technology has aide
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
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
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
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
History 历史 What is history? 历史是什么? It is a written record of human activities over time. 它是人类过去活动的文字记载。 Historians discover these records in study history. 历史学家在研究历史的时候发现这些记载
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
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
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