元古代 Yuángǔdài Proterozoic Definitions Defs Origin Strokes Stroke Words Sentences Sents 元古代 Yuángǔdài Proterozoic time word Proterozoic (geological era 2500-540m years ago) Frequency Written text 0.172 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
元古代 Yuángǔdài Proterozoic time word Proterozoic (geological era 2500-540m years ago) Frequency Written text 0.172 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
