标签：恐龙行动特征 相关文章
Relying on evidence collected from the dig site and knowledge of modern animal behavior,根据化石场收集的证据加上对现代动物行为的了解，experts recreates a plausible scenario where a female competes with a male in a battle to the
侏罗纪搏击俱乐部
(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
Pachyrhinosaurus like pretty much all members of the Ceratopsian family have no weaponry from behind their neck backwards. 肿鼻角龙和角龙家族的所有成员一样，从颈部往后没有什么武器。 From their neck back, they're completel
侏罗纪搏击俱乐部
Scientists Extract Soft Tissue from 68-Million-Year-Old Dinosaur Bone 科学家从6千8百万年之久的恐龙骨中提取软组织 U.S. scientists have recovered soft tissue from the bones of a near
VOA2005（上）--环境科学探索
Dinosaurs Already Decreasing Before Asteroid Hit 恐龙数量在小行星撞击地球前就已减少分享到: Dinosaursthose big prehistoric creatures may have already been decreasing in population long before an asteroid crashed into the Earth, and
2016年VOA慢速英语(五)月
-If I bring a bone over, we can superimpose these two. It's got one big muscle attachment right here and the dinosaurs have a muscle scar just like this. It appears in the first bipedal dinosaurs, this scar on the outside of the fibula and it is not
探索与发现2012年
With his miniature model of an adult T-rex for reference, along with the growing patterns of close relatives of tyrannosaurs, it's possible to work out the likely proportions of the baby. The starting point for the sculpture is a simple illustration.
探索与发现2012年
This tactic is still used today on the plains of Africa. If you look at various species of plant eaters, they live together in groups, and if one of them spots a predator, they can whinny or hoot and let the rest of the herd know, so that they can ke
探索与发现2013年
Individually, their huge size is a powerful defense, but sticking together makes these Leviathans almost indestructible. Keeping a herd of 50-ton animals filled up, however, means traveling vast distances, grazing territory covering thousands of squa
探索与发现2013年
populated by millions of odor receptors. Complicated, crazy-straw, tortuous nasal passageway that went from the nostrils, made several loops through the snout before it went down into the throat. Ankylosaurus supersensitive nose can pick up a carnivo
探索与发现2013年
Probably the only way a T-Rex could successfully and safely bring down Triceratops is by having at least one other individual Tyrannosaur that would ambush it from the back while the one in front is keeping the attention of the Triceratops. Working a
探索与发现2013年
Sometimes they even take on members of their own specie in a battle for dominance. Its primary weapon is a pair of a-meter-long horns mounted on its skull. These horns make those of modern creatures look lightweight. A rhinos horn is made of hair, an
探索与发现2013年
solid armor and dangerous weapons all deliver the power to stand up to huge predators. But in the world of Cretaceous, other defenders come equipped with tools not only to survive an attack but to defeat an opponent. Ankylosaurus is a herbivore desig
探索与发现2013年
just probably you stay stinking machine walking its way to the forest. Digesting plant fiber is the hardest job. In the eco-system an Ankylosaurus tackle that job, which is why it needed that enormous bulk, gigantic stomach and some divided intestine
探索与发现2013年
Interwoven layers can absorb the power of a piercing attack. Ankylosaurus pretty much was not afraid of anything because it would be very difficult to kill this beast. This creatures armor protects something else as well, its eyes. The eyelids of an
探索与发现2013年
19 meters tall and almost 30 meters long. Its neck alone is 4 stories long, a single vertebra almost as tall as a grown man. And a single thighbone weighs over half a ton. They seem to break all of the rules. Theres nothing like them around today. Co
探索与发现2013年
In a prehistoric world, theres a war waging between herbivores and carnivores, and the plant-eaters are winning. They seem to break all of the rules. Theres nothing like them around today. For these plant-eating giants, survival relies on a battery o
探索与发现2013年
Where else would the world's biggest dinosaur live, but in the world's trendiest town? Live may be stretching it a bit. Brachiosaurus brancai has been dead for 150 million years, but he remains impressive, towering more than 13 meters over visitors t
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台湾籍旅美老师今天交给我们的句子是： Many scientists believe that the extinction of dinosaurs was caused by an asteroid the size of a small town crashing into what is now Mexicos Yucatan peninsula. 很多科学家认为恐龙的灭亡
留美老师带你每日说英文
There are spines, and then theres the Bajadasaurus pronuspinax. During the Cretaceous period, 140 million years ago, this dinosaur spotted a neck of dangerous-looking spines. Argentinian archaeologist Pablo Gallina discovered the unique specimen digg
VOA标准英语2019年(二月)