The history of breaststroke dates back to the Stone Age.

蛙泳的历史追溯到石器时代。

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Since the Stone Age, humans have been eliminating species and altering ecosystems with astounding speed.

自石器时代以来，人类一直在以惊人的速度消灭物种以及改变生态系统。

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New power machinery and artificial fertilizers have now totally transformed a way of life that started in the Stone Age.

新的动力机械和人工肥料现在已经完全改变了从石器时代开始的一种生活方式。

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And guitarist Dean Fertita is a member of Queens of the Stone Age.

VOA: special.2009.08.07

Agricultural villages will have existed all over the place in the late Stone Age, in the Neolithic Period, as it is known. But there is a difference and the critical difference is that a city contains a number of people who do not provide for their own support.

农业村庄在石器时代后期,以及新石器时代随处可见,但二者是有区别的,最重要的区别在于,城市能容纳,相当数量,无需自给自足的人口

耶鲁公开课 - 古希腊历史简介课程节选

They are poor. In parts of Baluchistan, people are living in the Stone Age,".

VOA: standard.2009.10.19

But first the city needs an airport that is not in the stone age.

ECONOMIST: Reviving Kolkata

While the shadowy caves of Lauscaux house many mysteries, "Scenes From the Stone Age" still enlightens.

WSJ: Prehistoric but Far From Primitive | Cave Paintings of Lascaux | Field Museum | By Mark Yost

Then again, without optimism, we might still be stuck in the Stone Age.

FORBES: The Pitfalls Of Perception