标签：史前第一刀 相关文章
Paleontologists believe that this actually help her hone her fighting skills. 古生物学家们相信这能帮助雌性磨练搏斗技能。 A full grown Majungasaurus is pretty much able to take care of itself,完全成年的玛君龙基本能保护自
侏罗纪搏击俱乐部
This marked the end of the Roman Empire of the West and its Latin culture, 这是西罗马的讲拉丁语的帝国的结束， together with the long period that goes all the way back to prehistoric times, which we call antiquity. 所以人们也把这
世界小史
[00:00.00]2 The early bird catches the worm [00:04.80]The early bird may catch the worm-but people [00:07.60]who lie around in bed in the morning [00:10.06]and work into the evening are more intelligent, [00:13.28]according to Richard Roberts [00:14.
北师大版高中英语模块10(选修)
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
自然百科2009年
Idiom: Lower the bar ( lower the standard ) Hit the book: Why the fox and jackal are frequently described as cunning and cleaver? Are the fox and jackal really as cleaver and cunning as the corporate man? Why man since prehistoric time was very discr
趣味青春英语
The teeth that were found near the T-Rex had been shed. 这些牙齿在霸王龙化石附近被发现。 But were the teeth broken during a battle, or could the Nanotyrannus have simply found the dead T-Rex and lost them scavenging on his remains? 但是
侏罗纪搏击俱乐部
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,
侏罗纪搏击俱乐部
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
60秒科学
该片采用了大量的电脑特效，为您真实展现了史前五十多种特色物种和它们的居住环境。从棘龙到终极掠食者，再到玛君龙，难以想象的巨大、凶猛、奇特的生物曾经在这个星球上留下过他们
BBC纪录片
Biologists say that as apes evolved into humans, their faces took on fighting features such as thicker jaws and foreheads. 生物学家们认为，当类人猿进化成人类时，为了适应打斗，他们的下颌和额头变得更厚实。 The ch
轻松英语
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
趣味英语
1. Fluffy (like a baby bird; a duckling) 1.毛茸茸的（比如幼鸟：小鸭子） 2. Amphibious (can live on land and in water; a frog)2.两栖的（可以生活在陆地上和水中：青蛙） 3. Furry (covered with a thick coat of fur; a bear)
英语口语
71. People in prehistoric times created paints by grinding materials such as plants and clay into power and then adding water. 71.史前的人们制造颜料是将植物和泥土等原料磨成粉末，
实用英语
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
托福英语
Next came the housing problem. 接下来是解决住房的问题。 This was simple. Many animals were in the habit of sleeping in dark caves. 这很简单。许多动物都有睡黑乎乎的山洞的习性。 Man now followed their example, drove th
美国学生人类历史
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
美国学生人类历史
When they tried to stay more than a few days there was a terrible battle with claw-like hands and feet and whole families were killed. 当过了几天他们还赖着不走，于是一场可怕的战斗发生了。人们相互撕咬，发疯般地肉搏
美国学生人类历史
Chapter 21 第21章 A Summary 总结 A short Summary of Chapters 1 to 20 有关文明起源的小结 Thus far, from the top of our high tower we have been looking eastward. But from this time on, the history of Egypt and Mesopotamia is going to grow
美国学生人类历史
When it was realized that ancient tapirs had existed simultaneously in South America and Southeast Asia a land bridge was drawn there, too. Soon maps of prehistoric seas were almost solid with hypothesized land bridgesfrom North America to Europe, fr
万物简史