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《恐龙当家》是由美国皮克斯动画工作室、美国华特·迪士尼影片公司联合出品的动画片，由彼得·索恩执导，雷蒙德·奥乔亚、杰克·布赖特、
杰弗里·怀特、史蒂夫·茨恩联合配音。该片讲述了一只爱冒险的雷龙阿洛与人类小男孩成为了朋友，虽然身高差悬殊，但他们互相照顾环游世界，经历了一段温馨
又刺激的旅行的故事。影片于2015年11月25日在美国上映。
地球的历史已经有45亿年了。在距今约束38亿年前出现了最早的生物。从那时起，地球上的很多生物经历了兴起、衰落直至灭亡的历程，只有化石留存至今。现在世界各地都能找到各个时期不同种类的化石，这些化石告诉了我们地球沧海桑田的变迁历史。
距今两亿多年前，地球上曾经生活着一群生物——恐龙。它们盛极一时，称霸地球达成1.5亿年之久。
在人类出现以前，恐龙就已经灭绝了，没有人见到过活的恐龙。今天我们所知道的有关恐龙的一切是从恐龙的化石得来的。由于人们找到了它们的骨、齿、卵的化石，和皮肤痕迹、脚印、穴居场所等，科学家们就根据这些线索去探索有关恐龙的秘密。
The Earth's history has been 45 billion years. Constraints in the 38 million years ago before the emergence of the earliest ani *** s. Since then, much of the pla has experienced the rise of biotechnology, the course of the decline until extinction, only the fossils so far retained. Now the world can be found in various periods of different types of fossils, these fossils tell the history of our pla earth-shaking changes.
Dating back more than 200 million years ago, life on Earth has a group of ani *** s - the dinosaurs. They are very popular and dominate the Earth to reach 1.5 million years old.
In humans before the advent of dinosaurs had bee extinct, and no one to see live dinosaurs. Today, we know everything about dinosaurs from the dinosaur fossils e. As people found their bones, teeth, egg fossils, and skin marks, footprints, and other cave sites, the scientists on the basis of these clues to discover the secrets of the dinosaurs.
the dinosuar the dinosaurs is one of the kind of animal lives successfully. the dinosaurs was the kind of animal rule the global longest time. the less of them was eating. by the end of,dinosaurs had been disappear to the global in the noany ways,being a no-solve puzzle. but people is finding the way to solve this problem now.we believe that the true answers can be found。
About 255 million years ago, the pla emergence of a new class of reptiles. Like all reptiles, they are the descendants of the eggs hatching out of their skin covered with scales, impervious, and this is the dinosaur. Emerged from the demise of the dinosaurs until, up to rule the Earth 1.6 billion years old。
地球的历史已经有45亿年了.在距今约束38亿年前出现了最早的生物.从那时起，地球上的很多生物经历了兴起、衰落直至灭亡的历程，只有化石留存至今.现在世界各地都能找到各个时期不同种类的化石，这些化石告诉了我们地球沧海桑田的变迁历史.距今两亿多年前，地球上曾经生活着一群生物——恐龙.它们盛极一时，称霸地球达成1.5亿年之久.在人类出现以前，恐龙就已经灭绝了，没有人见到过活的恐龙.今天我们所知道的有关恐龙的一切是从恐龙的化石得来的.由于人们找到了它们的骨、齿、卵的化石，和皮肤痕迹、脚印、穴居场所等，科学家们就根据这些线索去探索有关恐龙的秘密.The Earth's history has been 45 billion years.Constraints in the 38 million years ago before the emergence of the earliest ani *** s.Since then,much of the pla has experienced the rise of biotechnology,the course of the decline until extinction,only the fossils so far retained.Now the world can be found in various periods of different types of fossils,these fossils tell the history of our pla earth-shaking changes.Dating back more than 200 million years ago,life on Earth has a group of ani *** s - the dinosaurs.They are very popular and dominate the Earth to reach 1.5 million years old.In humans before the advent of dinosaurs had bee extinct,and no one to see live dinosaurs.Today,we know everything about dinosaurs from the dinosaur fossils e.As people found their bones,teeth,egg fossils,and skin marks,footprints,and other cave sites,the scientists on the basis of these clues to discover the secrets of the dinosaurs.。
暴龙（又名霸王龙）是我最喜欢的恐龙，它是一种大型的肉食性恐龙，身长约13公尺，体重约7公吨，生存于白垩纪末期的马斯垂克阶最后300万年，距今约6850万年到6550万年.它也是白垩纪-第三纪灭绝事件前最后的恐龙种群之一.Tyrannosaurus is my favourite dinosaur.It is a large carnivorous dinosaur,its body length of 13 meters and weighing about 7 tons,lived in the end of the Cretaceous Maastrichtian and last for 3 millions years,since about 68.5 million years to 65.5 million years.The tyrannosaurus is one of the last dinosaur species before the events of Cretaceous - Tertiary extinction.。
Dinosaurs are very large creatures which appeared on the earth millions of years ago.They became extinct many years later because of a change in climate and they could no longer find any food to eat.Today,people know that dinosaurs had once existed because scientists discovered the remains of their bones when they dug underneath the ground.We can see the skeletons of these dinosaurs now in the museums.。
中生代或中生代前： 初龙Archosaur 迷龙Labyrinthodont 蜥蜴Lizard 中生代-三叠纪： 腔骨龙Coelophysis 犬齿龙Cynodont 始初龙Eoraptor 黑瑞龙Herrerasaurus 蓓天翼龙Peteinosaurus 三叉棕榈龙Thrinaxodon 蛇颈龙Plesiosaur 植龙Phytosaur 蒙托龙Metoposaur 鸟脚亚龙Ornithopod 上龙Pliosaur 板龙Plateosaurus 后鳄龙Postosuchus 布拉塞龙Placerias 盾齿龙Placodus 加斯马吐龙Chasnatosaurus 纯信龙Pistosaurus 龟龙Placohelys 鸥龙Lariosaurus 阿氏开普吐龙Askeptosaurus 混鱼龙Mixosaurus 舟椎龙Cymbospondylus 锹鳞龙Stagomolepis 无齿龙Henodus 沙尼龙Shonisaurus 高冠颌龙Hupsognathus 巨椎龙Massospondylus 副细颚龙Propsognathus 异平齿龙Hyperodapedon 中生代-侏罗纪： 异特龙Allosaurus 梁龙Diplodocus 鱼龙Ichthyosaur 无颚龙Anurognathus 滑齿龙Liopleurodon 斑龙Megalosaurus 大眼鱼龙Ophthalmosaurus 雷龙Apatosaurus剑龙Stegosaurus 嗜鸟龙Ornitholestes 嘴口龙Rhamphorhynchus 雷龙Brontosaurus 翼龙Pterosaur 翼手龙Pterodactylus 棱长颈龙Cryptoclidus 扭椎龙Eustreptospondylus 棱齿龙Hypsilophodontid 始祖鸟Archaeopteryx 秀颚龙Compsognathus 冰脊龙Cryolophosaurus 腕龙Brachiosaurus 虚骨龙Coelurus 巨齿龙Teratosaurus 异龙Tiranosaurus 双嵴龙Dilophosaurus 角鼻龙Ceratosaurus 蛇颈龙Plesiosaurus 离片齿龙Timnoodontosaurus 巴拉帕龙Barapasaurus 赖索托龙Lesothosaurus 槽齿龙Thecodontosaurus 安琪龙Anchisaurus 畸齿龙Heterodontosaurus 踝龙Scelidosaurus 狭翼龙Stenopterygius 小盾片龙Scutellosaurus 弯龙Camptosaurus 掘颌龙Scaphognathus 伊拉夫罗龙Elaphrosaurus 肯氏龙Kentrosaurus 叉龙Dicraeosaurus 永川龙Yongchuanosaurus 盘足龙Euhelopus 索德斯龙Sordes 沱江龙Tuojiangosaurus 马门溪龙Mamenchisaurus 磔齿龙Dryosaurus 奥思尼尔龙Othnielia 中生代-白垩纪： 大鹅龙Anatotitan 甲龙Ankylosaurus 重爪龙Baryonyx 笨爪龙Baryonyx 角龙Ceratopsian 虚骨龙Coelurosaurs 恐爪龙Deinonychus 鼠齿龙Didelphodon 奔龙Dromaeosaur 矮异特龙Dwarf allosaur 爱德蒙托龙Edmontosaurus 鸭嘴龙Hadrosaur 森林龙Hylaeosaurus 海拉尔龙Hylaeosaurus 酷拉龙Koolasuchus 雷利诺龙Leaellynasaura 犹他盗龙Utahraptor 迅猛龙Velociraptor 暴龙Tyrannosaurus 木他龙Muttaburrasaurus 结龙Nodosaur 鸟脚龙Ornithocheirus 披羽蛇翼龙Quetzalcoatlus 提米穆斯龙Timimus 牛角龙Torosaurus 钉背龙Polacanthus 它蓓翼龙Tapejara 三角龙Triceratops 棘龙Edaphosaurus 塔博龙Tarbosaurus 禽龙Iguanodon 棘齿龙Echinodon 准噶尔翼龙Dsungaripterus 普罗巴克特龙Probactrosaurus 乌埃哈龙Wuerhosaurus 厚针龙Pachyrhachis 鹦鹉嘴龙Psittacosaurus 阿克罗肯龙Acrocanthosaurus 塞塞罗龙Thescelosaurus 泰南吐龙Tenontosaurus 板果龙Platecarpus 无齿翼龙Pteranodon 厚甲龙Struthiosaurus 原角龙Protoceratops 阿利奥拉龙[Alioramus 薄片龙Ela *** osaurus 青岛龙Tsintaosaurus 山东龙Shantungosaurus 赛查龙Saichania 后凹尾龙Opisthocoelicaudia 似鸵龙Struthiomimus 达氏吐龙Daspletosaurus 鳄龙Champsosaurus 剑角龙Stegoceras 狭爪龙Stenonychosaurus 原蜥冠龙Prosaurolophus 浮龙Plotosaurus 帕克索龙Parksosaurus 胄甲龙anoplosaurus 肿头龙Pachycephalosaurus 盔头龙Corythosaurus 阿拉莫龙Alamosaurus 鸭嘴龙Anatosaurus 厚鼻龙Pachyrhinosaurus 赖氏龙Lambeosaurus 戟龙Styracosaurus 似鸟龙Saurornithoides 中国的恐龙 尹氏芦沟龙 Lukousaurus yini 破碎中国虚骨龙 Sinocoelurus fragilis 原始川东虚骨龙 Chuandongocoelurus primitivus 亚洲古似鸟龙 Archaeornithomimus asiatiicus 嗜角偷蛋龙 Oviraptor philoceratop 艾里克敏捷龙 Phaedrolosaurus ilikensis 小巧吐谷鲁龙 Tugulusaurus faciles 蒙古疾走龙 Velociraptor mongoliensis 三叠中国龙 Sinosaurus triassicus 中国只脊龙 Dilophosaurus sinensis 建设气龙 Gasosaurus constructus 七里峡宣汉龙 Xuanhanosaurus qilixiaensis 上游永川龙 Yangchuanosaurus shangyouensis 巨型永川龙 Yangchuanosaurus magus 巨型永川龙 Yangchuanosaurus magus 甘氏四川龙 Szechuanosaurus campi 石油克拉玛依龙 Kelmayisaurus petrolicus 大水沟吉兰泰龙 Chilantaisaurus tashikouensis 毛儿图吉兰泰龙 Chiantaisaurus maortuensis 浙江吉兰泰龙 Chilantaisaurus zhejiangensis 破碎金刚口龙 Chingkankousaurus fragilis 广西原恐齿龙 Prodeinodon Kwangshiensis 火焰山鄯善龙 Shanshanosaurus huoyanshanensis 威肋阿尔伯脱龙 Albertosaurus periculosus 奥氏鹰龙 Alectrosaurus olseni 栾川暴龙 Tyrannosaurus luanchuanensis 霸王龙相似种 Tyrannosaurus 特暴龙未定种 Tarbosaurus sp. 许氏禄丰龙 Lufengosaurus huenei 巨型禄丰龙 Lufengosaurus magnus 黄氏云南龙 Yunnanosaurus huangi 巨硕云南龙 Yunnanosaurus magnus 中国近蜥龙（兀龙）Anchisaurus(Gyposaurus) sinensis 中和金沙江龙 Chinshakiangosaurus 。
A beautifully preserved fossil from southern Germany raises questions about how feathers evolved from dinosaurs to birds, o paleontologists argue in a study published Thursday. The 150 million-year-old fossil is a juvenile carnivorous dinosaur about 2 1/2 feet long that scientists named Juravenator, for the Jura mountains where it was found. It would have looked similar in life to the fleet-footed predators that menaced a young girl on the beach during the opening scene of "The Lost World," the second Jurassic Park movie. The fossil's exceptionally well-preserved bone structure clearly puts it among feathered kin on the dinosaur family tree. Because all of its close relatives are feathered, paleontologists would expect Juravenator to follow suit. But a *** all patch of skin on the creature's tail shows no sign of feathers. And the skin also doesn't have the follicles that are typical of feathered dinosaurs, said Luis Chiappe, director of the Dinosaur Institute at the Natural History Museum of Los Angeles County. He and Ursula B. Gohlich of the University of Munich describe the fossil in Thursday's issue of the journal Nature. "It has a typical scaly dinosaurian skin," Chiappe said. The paleontologists believe Juravenator's closest known relative may have been a fully feathered dinosaur from China, Sinosauropterix. There are a number of possible explanations for Juravenator's nakedness. Feathers could have been lost on the evolutionary line leading to Juravenator after arising in an ancestor to both it and its feathered relatives. Or feathers could have evolved more than once in dinosaurs, cropping up in sister species at different times and places. It is also possible that this particular fossil of Juravenator, which appears to be a juvenile, only grew feathers as an *** or lost its feathers for part of the year. But there is another possibility as well, said Mark Norell, curator of paleontology at the American Museum of Natural History: It is entirely possible that Juravenator did have feathers, but they simply failed to fossilize. "Feathers are really just difficult things to preserve," Norell said. To support his hypothesis he pointed out that several fossils of the oldest known bird, archaeopteryx, lack feathers. Whether or not the new specimen raises interesting questions about how feathers — and thus birds — evolved, most experts do not see it as a challenge to the widely accepted view that modern birds are descended from dinosaurs 从南德国的一块美妙地被保存的化石在星期四出版的研究中提出关于羽毛怎么从恐龙演变了到鸟，二个古生物学家的问题争论。
The 150百万年老化石是少年食肉恐龙大约科学家命名Juravenator的2 1/2英尺长，为找到的朱拉山。 在“失去的世界期间，开头场面It将看起来类似在生活中恐吓海滩的一个女孩的走路快的掠食性动物”，第二部侏罗纪公园电影。
The化石的相当好被保存的骨头结构在恐龙家谱明显地投入它在用羽毛装饰的家族之中。 由于所有它的近亲用羽毛装饰，古生物学家会盼望Juravenator仿效别人。
But皮肤一个小补丁在生物的尾巴的不显示羽毛的迹象。 并且皮肤也没有是特点用羽毛装饰的恐龙的滤泡，说Luis Chiappe，恐龙学院的主任洛杉矶县自然历史博物馆的。
慕尼黑大学的他和厄休拉B. Gohlich在学报自然的星期四的问题描述化石。 "它有典型的鳞状dinosaurian皮肤， “Chiappe说。
The古生物学家相信Juravenator的最接近的已知的亲戚也许是从中国， Sinosauropterix的充分地用羽毛装饰的恐龙。 There是Juravenator的裸体的一定数量的可能解说。
羽毛在带领Juravenator在升起在祖先以后两个它和它的用羽毛装饰的亲戚的演变线可能丢失了。 或者羽毛在恐龙可能不止一次演变了，突然发生在姐妹种类在不同的时间和地点。
也是可能的Juravenator这块特殊化石，看来少年，只有生长了羽毛作为成人或丢失了它的一部分的羽毛的年。 那里But是另一种可能性，说标记Norell，古生物学的馆长在自然历史美国博物馆的： 是完全可能的Juravenator有羽毛，但是他们没有僵化。
"羽毛是真正地保存的困难的事， “Norell说。 To支持他的假说他指出最旧的已知的鸟，始祖鸟，缺乏的几块化石用羽毛装饰。
新的标本是否提出关于羽毛¡ ª和鸟¡ ª怎样的有趣的问题因而演变了，多数专家不看它，因为挑战对广泛被接受的观点现代鸟下降恐龙。
脚印、穴居场所等，科学家们就根据这些线索去探索有关恐龙的秘密。
The Earth's history has been 45 billion years. Constraints in the 38 million years ago before the emergence of the earliest ani *** s. Since then, much of the pla has experienced the rise of biotechnology, the course of the decline until extinction, only the fossils so far retained. Now the world can be found in various periods of different types of fossils. Dating back more than 200 million years ago, life on Earth has a group of ani *** s - the dinosaurs. They are very popular and dominate the Earth to reach 1, these fossils tell the history of our pla earth-shaking changes地球的历史已经有45亿年了。在距今约束38亿年前出现了最早的生物， footprints，没有人见到过活的恐龙。
今天我们所知道的有关恐龙的一切是从恐龙的化石得来的。由于人们找到了它们的骨、齿、卵的化石。
现在世界各地都能找到各个时期不同种类的化石.5 million years old，这些化石告诉了我们地球沧海桑田的变迁历史。 距今两亿多年前，地球上曾经生活着一群生物——恐龙。
从那时起，地球上的很多生物经历了兴起、衰落直至灭亡的历程，只有化石留存至今， teeth, egg fossils, and skin marks. In humans before the advent of dinosaurs had bee extinct, and no one to see live dinosaurs. Today。它们盛极一时，称霸地球达成1.5亿年之久。
在人类出现以前，恐龙就已经灭绝了，和皮肤痕迹， we know everything about dinosaurs from the dinosaur fossils e. As people found their bones, and other cave sites。
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