Read Edit View history 龙洞 lóngdòng cave Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 龙洞/ 龍洞 lóngdòng cave a natural cave or cavern, specifically one formed by the erosion of limestone by water containing carbon dioxide Edit Delete References Add reference classifier 龙洞/龍洞 → 个/個 Edit Delete
龙洞/ 龍洞 lóngdòng cave a natural cave or cavern, specifically one formed by the erosion of limestone by water containing carbon dioxide Edit Delete