奥陶系 àotáoxì Ordovician system Definitions Defs Origin Strokes Stroke Words Sentences Sents 奥陶系 (奧陶系) àotáoxì Ordovician system the Ordovician system (geological stratigraphic unit) Frequency Written text 0.167 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
奥陶系 (奧陶系) àotáoxì Ordovician system the Ordovician system (geological stratigraphic unit) Frequency Written text 0.167 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
