根据某一实验室的推测，若干肖韦洞窟壁画可以追溯到三万年前，甚至更古远的年代。
A number of the Chauvet paintings have been dated by a lab to 30,000 or more years ago.
他的痛苦要持续三万年。
这个史前骨骼估计有三万年之久。
The age of this prehistoric skeleton is estimated at 30,000 years.
而北京周口店的山顶洞人遗址，距今约三万年。
The Caveman site discovered in the Beijing Zhoukoudian area dates back about 30,000 years.
雕塑是一门有三万年以上历史的古老艺术形式。
Sculpturing is an ancient artistic style with a history of more than 30,000 years.
——在过去三万年间，人类大脑的平均体积大小降低了百分之十。
The human brain has decreased by about the size of a tennis ball over the past 30,000 years.
穴居人，这个约在三万年前不知何因消失的现代人近亲，要远比现代人巨大，他们有着更大的大脑。
The Neanderthal, a cousin of the modern human who disappeared about 30 millennia ago for still unknown reasons, was far more massive and had a larger brain.
穴居人，这个约在三万年前不知何因消失的现代人近亲，要远比现代人巨大，他们有着更大的大脑。
The Neanderthal, a cousin of the modern human who disappeared about 30 millennia ago for still unknown reasons, was far more massive and had a larger brain.
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