• This was really an important revolution in human history, because it allowed us to continue to evolve in equatorial environments.

    人类历史上确实一场重要革命因为允许我们继续赤道环境中进化

    youdao

  • This was really an important revolution in human history, because it allowed us to continue to evolve in equatorial environments.

    人类历史上确实一场重要革命因为允许我们继续赤道环境中进化

    youdao

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