Prehistoric humans never threw spears at Tyrannosaurus rex but really did hunt mammoths and mastodons.
史前人类从未向雷克斯暴龙扔过长矛，但确实猎杀过猛犸象和乳齿象。
Scientists say the diet of prehistoric humans probably required more chewing teeth.
科学家们表示，史前人类的饮食可能需要更多咀嚼齿。
The findings can also reveal which animals prehistoric humans and human ancestors ate.
这些发现还可能解答史前人类和原始人类吃些什么的问题。
Prehistoric humans, along with Neanderthals and Homo antecessor, made meals of each other, suggests new research on probable human teeth marks found on prehistoric human bones.
根据对史前人类骨骼上可能是人类牙齿痕迹的新研究表明，史前人类，和穴居人和能人一样，都会相互残杀作为食物。
Scientists say the diet of prehistoric humans probably required more chewing teeth. Life was probably a little rougher on the teeth back then, too. So it was good to have extras.
科学家说史前人类的饮食习惯需要有更多的咀嚼的牙齿，没有口腔后部的磨牙生活也会变得十分艰辛，所以会有额外的牙齿长出来。
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。
When you reflect on how far we humans have come from the prehistoric caves to mind-blowing technological advancements, you would feel the power of imagination.
当你回想起我们人类从史前的洞穴到令人叹为观止的科技进步，你会感受到想象力的威力。
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。
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。
Along with the bones of prehistoric sea monsters, Gingerich has found the remains of unlucky humans.
这里不仅有史前海洋巨无霸的残骸，金格·里奇还陆续发现了不幸人类的遗体。
Early humans may have evolved as prey animals rather than as predators, suggest the remains of our prehistoric primate ancestors that were devoured by hungry birds and carnivorous mammals.
早期人类更多的是作为一个猎物，而不是猎人。新发现的史前灵长类祖先化石验证了这一点，他们经常被饥饿的鸟类和肉食哺乳动物吞食。
Sykes explains the principles of genetics and human evolution, the particularities of mitochondrial genetics, and analyses of ancient DNA to genetically link modern humans to prehistoric ancestors.
赛克斯解释了遗传学与人类进化的原理，线粒体遗传学的特性，还有通过对古代dna的分析来寻找现代人类与史前祖先的遗传关系。
In anatomical structure prehistoric man shows close affinity with modern humans.
从解剖结构上看，史前人类与现代人类有着密切的关系。
When you reflect on how far we humans have come, from prehistoric caves to mind-blowing technological advancements, you can feel the power of imagination.
想一想我们人类从史前洞穴到激动人心的科技进步跨越了多远的距离，你就会感受到想像的力量。
A group of prehistoric people called the Boskops by scientists might have been even smarter than modern humans.
一群被科学家称为BOSKOPS的史前人也许比现代人类更聪明。
A group of prehistoric people called the Boskops by scientists might have been even smarter than modern humans.
一群被科学家称为BOSKOPS的史前人也许比现代人类更聪明。
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