钙华 gàihuá travertine Definitions Defs Origin Strokes Stroke Words Sentences Sents 钙华 鈣華 gàihuá travertine (geology) a form of limestone deposited by mineral springs, such as tufa or adarce
钙华 鈣華 gàihuá travertine (geology) a form of limestone deposited by mineral springs, such as tufa or adarce
