叠层石 diécéngshí stromatolite Definitions Defs Origin Strokes Stroke Words Sentences Sents 叠层石 (疊層石) diécéngshí stromatolite Frequency Written text 0.055 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
叠层石 (疊層石) diécéngshí stromatolite Frequency Written text 0.055 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
