JosephFrancisCharlesRock(1884–1962)wasanAustrian-Americ...
問題詳情：JosephFrancisCharlesRock(1884–1962)wasanAustrian-Americanexplorer,botanist,andanthropologist(人類學家).Formorethan25years,hetravelledextensivelythroughTibetandYunnan,Gansu,andSichuanprovinces...