He recently completed two years of fieldwork on transnational environmental cooperation to prevent desertification and protect wetlands in Northeast Asia.
最近，他完成了历时两年的关于采取跨国环境合作来阻止沙漠化并保护东北亚湿地的实地研究。
He recently completed two years of fieldwork on transnational environmental cooperation to prevent desertification and protect wetlands in Northeast Asia.
最近，他完成了历时两年的关于采取跨国环境合作来阻止沙漠化并保护东北亚湿地的实地研究。
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