- 问题详情:JosephFrancisCharlesRock(1884–1962)wasanAustrian-Americanexplorer,botanist,andanthropologist(人类学家).Formorethan25years,hetravelledextensivelythroughTibetandYunnan,Gansu,andSichuanprovincesinChinabeforefinallyleavingin1949.In1924,Harvardse...
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