寒武紀大爆發 hán wǔ jì dà bào fā

DEFINITIONS

  1. the Cambrian explosion

CHARACTERS

寒 hán
HSK 4
cold, wintry, chilly
武 wǔ
HSK 5
military; martial, warlike
紀 jì record, annal, historical account
大 dà
HSK 1
big, great, vast, large, high
爆 bào
HSK 6
crackle, pop, burst, explode
發 fā issue, dispatch, send out, emit