美国西南地区考古学的主要问题是：为什么这么多不俗的定居点，甚至整个西南地区，都在史前时代被遗弃了呢？
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。
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.
史前时代的医疗方法之一即驱鬼治疾。
Prehistoric times one of the ways that the exorcism and governance of medical illness.
在史前时代，折断的下巴最终可能会成为一个致命伤。
In prehistoric times, a broken jaw could have ended up being a fatal injury.
史前时代人们狩猎时，为求取食物而登山涉水。
In the Prehistoric era, people had to swim across the river for food.
在史前时代，人们从亚洲和非洲迁移到其他大洲。
In prehistoric time people from Africa and Asia migrated to other continents.
中国古书里，关于史前时代的传说是丰富多彩的。
There is a world of prehistoric legends in ancient Chinese books.
人类将看到史前时代以来的首次大型猫科动物濒临灭绝。
We could be on the verge of the first-ever big cat extinction since prehistoric times.
曾经有一段时间，在史前时代，人们用来沟通的手势语言。
There was a time when during prehistoric times, people used to communicate in sign languages.
在史前时代，60人左右的群体会有数公里的空间来活动觅食。
In prehistoric times a group of about 60 people had many kilometers of empty land to wander and search for food in.
其装饰流苏和耳朵的玉米作物，自史前时代一直是美国艺术的主题。
The corn plant with its ornamental tassel and ears has been a motif of American art since prehistoric times.
在史前时代，由于狩猎和收割需要耐力，健身可能是生存所必需的。
Fitness in prehistoric times was probably a necessity to survive due to the endurance needed to perform hunting and gathering tasks.
射击运动可能在史前时代原始人捕食或者保护自己的时候就出现了。
Some form of Shooting has been around since prehistoric times, when men hunted prey to secure food or protect themselves from enemies.
一些民谣讲述的是史前时代的故事，而其他一些则记录了真人真事。
Some ballads go back to prehistory, while others record real events, people and places.
数千幅岩石画和雕刻增加了我们对史前时代北极地区的环境和人类生活的认识。
The thousands of paintings and engravings add to our understanding of the environment and human activities on the fringes of the Far North in prehistoric times.
就如同牠们史前时代的手足，掠食性鸟类拥有巨大锋利的脚爪以抓紧及制伏猎物。
Like their prehistoric brothers and sisters, birds of prey also have large cutting claws with which they grasp and subdue their prey.
因此很可能在史前时代，第一只进化成为我们称之为鸡的鸟，应当首先是以蛋壳内的鸡胚形式存在。
Therefore the first bird that evolved into what we would call a chicken, probably in prehistoric times, must have first existed as an embryo inside an egg.
他认为这些品牌之间的竞争是非常激烈的，就像史前时代的巨兽相互攻击一般弱肉强食。
He likens the intense competition among these brands to that among prehistoric beasts as they fought with each other, upholding the law of the jungle.
这个延伸出来的沙丘半岛长98公里，宽0.4 -4公里，史前时代就有人类居住。
Human habitation of this elongated sand dune peninsula, 98 km long and 0.4-4 km wide, dates back to prehistoric times.
在这个像是计算机史前时代的时代，地球的战后时代，人们普遍担忧有一天计算机会取代人类控制世界。
In what now seems like the prehistoric times of computer history, the earth's postwar era, there was quite a wide-spread concern that computers would take over the world from man one day.
山羊最早于9,000年前在亚洲被驯化，自史前时代以来一直为人们提供羊奶、羊肉和羊毛。
Goats, which were first tamed more than 9,000 years ago in Asia, have provided people with milk, meat, and wool since prehistoric times.
理查德：这个决定真的是太荒谬了，你不能给一辆车增加200马力，却配上一套史前时代的悬挂。
Richard Hammond: That is a ridiculous decision, you cant just give a car an extra 200 break horse power, and leave it with leave it with prehistoric suspension.
其历史可追溯至罗马史前时代，公元713至785和795年至1015年期间它在摩尔人统治下。
Dating from pre-Roman times, it was ruled by the Moors from c. 713 to 785 and from 795 to 1015. Population, 67,259.
在这个像是计算机史前时代的时代，地球的战后时代，人们普遍担忧有一天计算机会取代人类控制世界。
In what now seems like the prehistoric times of computer history, the earth's postwar era, there was quite a wide-spread concern that computers would take over the world from man oneday.
这是个很高的要求，但考虑到全球气温可能会在几十年内创下自史前时代以来未见的高点，这个要求是恰当的。
This is a high bar, but appropriate given that global temperatures may within decades hit levels not seen since the prehistoric era.
早在史前时代，任何信息都可能生死攸关——例如，灌木丛里的沙沙响声，可能意味着即将有一只老虎猛扑出来。
Back in prehistoric days, any new piece of information might be critical - a rustling in the bushes, for example, could mean a tiger was about to leap.
但是，他们之所以又被视为化石燃料，主要还是因为它们是由史前时代的动植物经腐烂后埋藏在地下数百万年而成的。
But they are known as fossil fuels because they are made from decomposed plants and animals that have been buried in the ground for millions of years.
但是，他们之所以又被视为化石燃料，主要还是因为它们是由史前时代的动植物经腐烂后埋藏在地下数百万年而成的。
But they are known as fossil fuels because they are made from decomposed plants and animals that have been buried in the ground for millions of years.
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