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讲话致辞
讲话致辞
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Message by UNESCO DG Ms. Audrey Azoulay on World Day to Combat Desertification and Drought...
讲话致辞
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Message by UN SG António Guterres on World Day to Combat Desertification and Drought 2019
讲话致辞
双语：奥德蕾·阿祖莱总干事2018年防治荒漠化和干旱世界日致辞
Message by UNESCO DG Ms. Audrey Azoulay on World Day to Combat Desertification and Drought...
讲话致辞
双语：博科娃总干事2017年防治荒漠化和干旱世界日致辞
Message by UNESCO DG Ms. Irina Bokova on the World Day to Combat Desertification and Droug...
