寒武爆发 hánwǔbàofā Cambrian explosion Origin Definitions Defs Strokes Stroke Words Sentences Sents 寒 hán noun cold (bound form) cold; chilly武 wǔ noun martial (bound form) military; martial; related to combat or physical force; valiant; fierce; contrasted with 文 wén爆发 爆發 bàofā verb to break out to break out suddenly and violently (of a war, revolution, or emotion)