寒武纪生命大爆发hán wǔ jì shēng mìng dà bào fāhanwujishengmingdabaofathe Cambrian explosionCharacters in this word发to issue, to dispatch, to send out命life大big, great, vast, high, deep寒chilly, cold武military爆crackle, pop生life, lifetime纪discipline, ageStudy it in Yanamino