柯林斯词典autochthonous /ˌɔːtɒkˈθɒnɪk/ (also autochthonic or autochthonal) 1. ADJ (of rocks, deposits, etc) found where they and their constituents were formed (巖石、鑛石等)原地發現的→compare allochthonous 返回 autochthonous