• 哥本哈根会议召开之际,人们开始重新审视人类活动环境人类自身影响

    During the Copenhagen conference, people start to re - examine the influence of human activity on environment and human being.

    youdao

  • 哥本哈根会议召开之际,人们开始重新审视人类活动环境人类自身影响

    During the Copenhagen conference, people start to re - examine the influence of human activity on environment and human being.

    youdao

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