It turns out that radiocarbon dating works for a lot of prehistoric art.
事实证明，放射性碳年代测定法适用于许多史前艺术品。
How about a sketch in which she insists she won't do another film unless it has prehistoric animals in it?
拍个幽默短剧，让她在里面坚持说她不会拍另一部电影，除非电影里面有史前动物，效果会怎样？
The frozen carcass turned out to be the most complete specimen of a prehistoric animal discovered.
这具冻尸结果是迄今发现的最完整的史前动物标本，但卢芭仍旧未能回答一直困扰着人类的问题 - 猛犸象在地球上繁衍生息数十万年后为什么神秘消失了？
Supposedly, it's a gene passed down from our prehistoric ancestors who could eat a lot and build up reserves of fat to survive frequent famines.
假设，我们的祖先食量很大，并且可以积聚脂肪来渡过频繁发生的饥荒。
Scientists have so far identified more than 700 specimens, including the skull of a prehistoric American lion and the bones of dire wolves, saber-tooth cats, ground sloths and bison.
科学家们至今已识别出了700多个样本，其中包括：一个史前美洲豹的头盖骨以及袋狼、剑齿虎、大地懒、野牛的骨骸。
A staple part of the vegetarian dino-diet was probably horsetails, fern-like plants that were abundant in prehistoric swamps and highly nutritious.
食草恐龙的主要食物可能是马尾草，这是一种类似于蕨类的植物，在史前的沼泽地带大量存在，营养丰富。
A major question in the archaeology of the southwestern region of the United States is why so many impressive settlements, and even entire regions, were abandoned in prehistoric times.
美国西南地区考古的一个主要问题是，为什么这么多令人印象深刻的定居点，甚至整个地区，在史前时代就被废弃了。
In Southwest France in the 1940's, playing children discovered Lascaux Grotto, a series of narrow cave chambers that contain huge prehistoric paintings of animals.
20世纪40年代，在法国西南部，玩耍的孩子们发现了拉斯科洞穴，这是一系列狭窄的洞穴洞穴，里面有巨大的史前动物壁画。
They had found a prehistoric boat, preserved by the type of sediment in which it was buried.
他们发现了一艘史前的船，这艘船依靠埋藏它的沉积物保存了下来。
Students who were interested in cultures in prehistoric times paid a visit to that museum.
对史前文化感兴趣的学生们参观了那个博物馆。
The Ainu settlers in Hokkaido are the last remnant of a prehistoric race.
北海道的阿伊努人是史前某个种族的最后残存者。
A us study on Monday found that Neanderthals, prehistoric Cousins of humans, ate grains and vegetables as well as meat, cooking them over fire in the same way homo sapiens did.
美国一项研究于周一发现，人类的史前近亲尼安德特人食用谷物、蔬菜和肉类，并使用智人同样的方式在火上烹饪食物。
As there was no evidence that hazardous waste was buried at the mine, investigators speculate that the source of dioxins may be natural, perhaps due to a prehistoric forest fire.
由于没有证据表明该矿埋有危险废物，调查者认为该例二恶英的来源可能是一个自然过程，也许归因于史前森林大火。
According to a new theory, prehistoric man navigated his way across England using a similar system based on stone circles and other markers.
据一项新的理论说，史前人类也有类似系统，他们利用石圈和其它标记物为穿越英国的旅行者导航。
"We now know, much to our surprise and delight, that Stonehenge was not just a prehistoric monument, it was a Roman and mediaeval monument," said Wainwright.
韦恩莱特说：“现在我们知道了，巨石阵不仅是史前的纪念碑，也是古罗马和中世纪时期的祭坛，这个发现让我们十分惊喜。”
"We now know, much to our surprise and delight, that Stonehenge was not just a prehistoric monument, it was a Roman and mediaeval monument, " said Wainwright.
韦恩莱特说：“现在我们知道了，巨石阵不仅是史前的纪念碑，也是古罗马和中世纪时期的祭坛，这个发现让我们十分惊喜。”
A violent prehistoric eruption caused the Earth's crust to collapse and form a crater that filled with water.
一场猛烈地史前喷发使得地壳倒塌，并形成了装满水的火山口。
Other colours found along the desert's southern fringe stem from the fossilised remains of a prehistoric coniferous forest.
该沙漠以南地区还存在其它颜色，它们来自史前一座针叶树林所遗留下来的化石。
Five years ago, the United States Department of Homeland Security investigated what it considered a suspicious shipment from Thailand and found instead a prehistoric bone.
五年前，美国国土安全部调查了一起运自泰国的可疑货物案件，发现了一块史前的骨骼化石。
This is decorated like a prehistoric cave.
这个酒吧装饰得像个史前岩洞似的。
Scientists estimate that this prehistoric reactor ran for a hundreds of thousands of years, producing the various isotopes expected from such reactions.
科学家预计这一史前核反应持续了上百万年，并从中释放出了大量同位素。
Some studies are based on skeletons found at archaeological sites; averaging their results suggests that 15 percent of prehistoric humans met a violent death at the hands of another person.
有些研究来源于考古地点发现的史前人类骨骼遗骸，平均起来看，有15%死于他人的暴力行为。
"Things are looking mighty fine," announced the prehistoric invertebrate, taking measure of his surroundings through a series of small, hexagonal eyelets located at the tip of his thorax.
“情况不错”，这只史前无脊椎动物表示，在它胸尖有一组微小的六角形小孔用来探查他周围的环境。
Fossils of a meter-long (3.3-foot) prehistoric ocean predator have been found in southeastern Morocco.
在摩洛哥东南部出土了一条一米长(3.3英尺）的史前海洋霸主的化石。
In the waters of the prehistoric Tethys ocean, a sinuous, 50-foot-long beast with gaping jaws and jagged teeth died and sank to the seafloor.
史前特提斯海洋水域，一条50英尺长，张着血盆大口，满嘴锯齿状牙齿的怪兽，盘桓着，缓缓倒下，沉入海底。
An enormous prehistoric bird, which might have resembled a very big ostrich, lived alongside dinosaurs around 83 million years ago, according to new research.
据新的研究发现，在8300万年前的恐龙时代生活着一种巨大的史前鸟类，这种鸟外形可能颇似一只非常大的鸵鸟。
Which means that 300 centuries ago, Fred and Wilma might have had a kind of prehistoric pita bread on the menu.
这意味着，在300个世纪之前，Fred和Wilma 的菜单上也许就有一种史前面饼。
A collection of beautifully preserved bees, ants, spiders and other small prehistoric creatures that lived 50 million years ago have been unearthed in a huge amber deposit in India.
在印度一个大的琥珀矿床发掘出了一堆琥珀，完好地保存着生活在5千万年前的蜜蜂、蚂蚁、蜘蛛和其它史前小动物。
A collection of beautifully preserved bees, ants, spiders and other small prehistoric creatures that lived 50 million years ago have been unearthed in a huge amber deposit in India.
在印度一个大的琥珀矿床发掘出了一堆琥珀，完好地保存着生活在5千万年前的蜜蜂、蚂蚁、蜘蛛和其它史前小动物。
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