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以上来源于: WordNet
N-PROPER The Stone Age is a very early period of human history, when people used tools and weapons made of stone, not metal. 石器时代 ['the' N]
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He discovered a Stone Age village 5,000 years old.
他发现了一座有五千年历史的石器时代的村庄。
In that, it would be like the epidemic of obesity which results from stone-age appetites meeting capitalist abundance.
ECONOMIST: Why, as people get richer, do they have fewer children?
Our stone-age immigration system also means that too many workers, both skilled and unskilled, choose not to come to America to work.
FORBES: Why America Needs To Be An Innovation Nation
Or there is the apocalyptic version, where a world has been bombed back into the Stone Age -- and somehow still has laser weapons.
CNN: The future world of 'Call of Duty: Black Ops II'
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