autochthonous

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

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