文章列表

• 1.英语听力：2013-06-26 《恐龙的战争》3 顽强防御—5
• Here we have one of the greatest predators nature has ever produced and one of the greatest defenders nature has ever produced sparring of with some t...
• 2.英语听力：2013-06-23 《恐龙的战争》3 顽强防御—4
• 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 s...
• 3.英语听力：2013-06-21 《恐龙的战争》3 顽强防御—3
• Triceratops is an amazing animal simply because it was absolutely enormous. They had this big massive body with a big gut. So, you know, we are talkin...
• 4.英语听力：2013-06-19 《恐龙的战争》3 顽强防御—2
• These plant eaters are no pushovers. They are no theyre no pansies. We have records, quite a few, of adult dinosaurian predators being killed by herbi...
• 5.英语听力：2013-06-16 《恐龙的战争》3 顽强防御—1
• 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. ...
• 6.英语听力：2013-06-14 完美捕食 Perfect Predators —19
• --The irony for many predators is they are very concerned about injuring themselves. Even the toughest most well-armed man-eaters regularly come face ...
• 7.英语听力：2013-06-12 完美捕食 Perfect Predators —18
• Other carnivores are even more dependent on cognitive thought. For protection, Deinonychus relies primarily on its brain. --The brain structure of Dei...
• 8.英语听力：2013-06-09 完美捕食 Perfect Predators —17
• Mighty carnivores ruled a dangerous world in the Cretaceous Period. But being a super predator like Tyrannosaurus Rex is not easy. Just surviving to a...
• 9.英语听力：2013-06-07 完美捕食 Perfect Predators —16
• I think that a big pterosaur on the ground wouldve been spooky because they would be moving around on all fours. Theyd probably have those sort of qui...
• 10.英语听力：2013-06-05 完美捕食 Perfect Predators —15
• Nothing this large would achieve powered flight until the 20th century, 65 million years later. And Quetzalcoatlus still may hold the record for fligh...