erectus-凯发k8官网

  • 古人类180万年前开始使用石斧

    11-09-01 a new study suggests that homo erectus(直立人) , a precursor(先驱) to modern humans, was using advanced toolmaking methods in east africa 1.8 million years ago, at least 300,000 years earlier than previously thought. the study, recently publishe...

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