自然铜 zìrántóng native copper Definitions Defs Origin Strokes Stroke Words Sentences Sents 自然铜 自然銅 zìrántóng native copper pure elemental copper occurring naturally in a non-oxidized state, typically found in branching, massive, or flaky forms chalcopyrite copper iron sulfide (CuFeS2), a common copper ore mineral; also used in traditional Chinese medicine as pyritum (pyrite) for blood circulation Frequency Written text 0.042 per million Sources Frequency data BCC Corpus (BLCU)
自然铜 自然銅 zìrántóng native copper pure elemental copper occurring naturally in a non-oxidized state, typically found in branching, massive, or flaky forms chalcopyrite copper iron sulfide (CuFeS2), a common copper ore mineral; also used in traditional Chinese medicine as pyritum (pyrite) for blood circulation Frequency Written text 0.042 per million Sources Frequency data BCC Corpus (BLCU)
