标签：史前鳄鱼化石 相关文章

VOA慢速英语2018 研究证实怪异古化石可能来自某种动物

Study Confirms Unusual Fossils Came from an Animal Scientists say they have confirmed that strange-looking fossils from more than 500 million years ago are remains of an animal. 科学家们表示，他们已经证实来自5亿多年前的怪状化石是

发表于:2018-12-08 / 阅读(44) / 评论(0) 分类 2018年VOA慢速英语(十)月

英语听力：自然百科 撒哈拉的史前鳄鱼化石

A National Geographic researcher and his team have uncovered fossilized remains of 5 ancient crocodile species that lived among dinosaurs some 100 million years ago. One of the crocs had an oversized set of canines, and another had a snout like a duc

发表于:2018-12-26 / 阅读(58) / 评论(0) 分类 自然百科2009年

英语听力：自然百科 阿根廷的化石天堂

In the shadow of the Cerro Condor, a 600-meter-high limestone bluff in Patagonia, signs of life are few. But this wind-swept valley in Chubut province of Argentina is becoming one of the world's leading sites for paleontologists. Recent find showed t

发表于:2018-12-26 / 阅读(54) / 评论(0) 分类 自然百科2009年

侏罗纪搏击俱乐部 第51期:一处史前水坑

A prehistoric watering hole. 一处史前水坑。 By using cutting edge technology, some of its fossilized secrets are scientifically decoded. 通过利用前沿科技，它的一些化石秘密如今已经被科学地揭开了。 Multiple species,

发表于:2018-12-28 / 阅读(36) / 评论(0) 分类 侏罗纪搏击俱乐部

11-11 为何鳄鱼不会受感染？

Why Crocodiles Not Get Infections? Jill Fullerton Smith, a television producer, discovered why crocodiles can heal themselves in bacteria filled water. “In television we have to make films that ente

发表于:2018-12-30 / 阅读(195) / 评论(0) 分类 英语沙龙2004全年合辑下

2007-09-13, Animal Mothers:鳄鱼Baby

When you think of alligators, the first words that come to mind probably aren't tender, loving and maternal. This video may make you think again. Here in the everglades, a mother alligator listens to the calls of her young as they hatch. Predators li

发表于:2018-12-30 / 阅读(98) / 评论(0) 分类 国家地理2007年

国家地理:Real-Life CSI: Hunter & Hunted: Gator Attack 鳄鱼攻击

Almost ninety percent of all alligators die in their first two years of life, falling prey to other predators including their own. But normally they don't prey on humans, so why would an alligator attack a woman. Yovy Jimenez's fatal encounter is the

发表于:2018-12-30 / 阅读(154) / 评论(0) 分类 国家地理2007年

60秒科学:史前第一刀

这看起来像是我们的祖先懂得收集有着锋利边缘，可以用来切肉的工具，就好像小孩子们懂得挑选扁平的石头用来打水漂一样。但是未来的考古工作致力于寻找把石头塑造成厨具的工具。相信

发表于:2019-01-02 / 阅读(83) / 评论(0) 分类 60秒科学

万花筒 2011-09-03&09-05 鳄鱼入侵公共泳池

Here is what's going on as we look to Australia. Yes, that' what I call a croc. Wow! Yeah, fresh water crocodile, found in a public, public pool in Darwin, in Australia's Northern Territory. You dont likeˇ You have your own words about croc, Lisa? T

发表于:2019-01-07 / 阅读(62) / 评论(0) 分类 万花筒2011年

与美国小学生一起学英文第5册 第7期:化石

Fossil 化石 Fossils are the ramains of animals or plants. 化石是动物或植物的遗骸。 They are usually inside of rocks. 它们通常在岩体内。 They are typically more than ten thousand years old. 它们通常有一万多年的历史。

发表于:2019-01-10 / 阅读(65) / 评论(0) 分类 与美国小学生一起学英文第5册

VOA慢速英语2015 研究人员称发现人类早期祖先化石

Researchers Announce Discovery of Early Human Ancestor 研究人员称发现人类早期祖先化石 A group of scientists announced Thursday what they say is the discovery of remains from an early ancestor of human beings. 周三，一个科学家小组

发表于:2019-01-12 / 阅读(46) / 评论(0) 分类 2015年VOA慢速英语(九)月

英语听力：自然百科 世上最大的蛇化石

Scientists have uncovered the world's largest snake. A study published in Thursdays edition of the science journal Nature reveals the discovery in Colombia. Measuring about 45-feet long and weighing more than a ton, the so-called Titanoboa would have

发表于:2019-01-22 / 阅读(42) / 评论(0) 分类 自然百科2009年

英语听力：自然百科 化石改变全球变暖预言？

15 million years ago, New Zealand was a different place. The country was blanketed by dense rainforests and partially submerged under the ocean. Analysis of sedimentary(沉淀性的) rocks has shown that sea temperatures in this part of the world ros

发表于:2019-01-22 / 阅读(60) / 评论(0) 分类 自然百科2009年

经济学人53:羽毛化石 并非鸟类独有

Science and Technology 科技 Fossil feathers 羽毛化石 Not just for the birds 并非鸟类独有 A trove of fossils sheds light on the evolution of feathers 珍贵羽毛化石的发现能够更好地阐释羽毛的进化过程 THE fossil record i

发表于:2019-01-26 / 阅读(49) / 评论(0) 分类 经济学人科技系列

中国科学家首次在琥珀中发现恐龙羽毛化石

Scientists have found dinosaur-era feathers and evidence of them in fossil impressions before. 科学家早已发现了恐龙时代的羽毛，并拥有其印在化石上证据。 But this is the first time they've discovered a full-feathered tail se

发表于:2019-02-06 / 阅读(39) / 评论(0) 分类 英语新闻

鳄鱼河观光惨剧 白化鳄鱼杀死渔夫

A crocodile named Michael Jackson has been held responsible for killing a man at the Adelaide River on Monday afternoon.A 57-year-old man was attacked and killed by the crocodile in front of his wife while they were fishing at the river, about 60km e

发表于:2019-02-06 / 阅读(277) / 评论(0) 分类 英语新闻

《荒野求生》之跟着贝尔去冒险第345期:雄踞食物链之上

I'm Bear Grylls. Whoo! 我是贝尔格里尔斯 I'm gonna show you what it takes to get out alive from some of the most dangerous places on earth. 我将让你知道如何 在地球上最恶劣的环境下 逃出生天 I've got to make it through a w

发表于:2019-02-16 / 阅读(52) / 评论(0) 分类 荒野求生

印尼史前岩画可追溯至4万年前

On October 9, Nature published a paper providing the results of new dating techniques that have been used to determine the age of prehistoric rock art motifs in volcanic caves on the island of Sulawesi in Indonesia. Archaeologists have determined tha

发表于:2019-02-17 / 阅读(57) / 评论(0) 分类 趣味英语

托福阅读备考之长难句分析：史前猛犸

Amid rumors that there were prehistoric mammoths wandering around the unknown region and that somewhere in its wilds was a mountain of rock salt 80 by 45 miles in extent，the two captains set out. (同位语从句rumors that) 当时有一些传言，说

发表于:2019-02-21 / 阅读(56) / 评论(0) 分类 托福英语

美国学生人类历史第10期:史前人类(1)

Chapter 3 第三章 Prehistoric man 史前人类 Prehistoric man begins to make things for himself. 史前人类开始为自己制造工具 Early man did not know what time meant. 早期的人类不懂得时间的含义， He kept no records of birth

发表于:2019-02-21 / 阅读(89) / 评论(0) 分类 美国学生人类历史
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