熔岩穹丘 róngyánqióngqiū magma dome Definitions Defs Origin Strokes Stroke Words Sentences Sents 熔岩 róngyán noun lava molten rock that flows from a volcano or fissure in the earth; the rock formed when this material cools and solidifies穹丘 qióngqiū dome dome; a rounded vault forming the roof of a structure or a similar geological formation
