黑云母 hēiyúnmǔ biotite Definitions Defs Origin Strokes Stroke Words Sentences Sents 黑云母 黑雲母 hēiyúnmǔ biotite (minerals) biotite; black mica; a common rock-forming mineral containing potassium, magnesium, and iron Frequency Written text 0.261 per million Sources Frequency data BCC Corpus (BLCU)
黑云母 黑雲母 hēiyúnmǔ biotite (minerals) biotite; black mica; a common rock-forming mineral containing potassium, magnesium, and iron Frequency Written text 0.261 per million Sources Frequency data BCC Corpus (BLCU)
