显生宙 xiǎn shēng zhòu

DEFINITIONS

  1. Phanerozoic, geological eon lasting since the Cambrian 寒武紀|寒武纪[Han2 wu3 ji4], c. 540m year ago

CHARACTERS

显 xiǎn
HSK 5
manifest, display; evident, clear
生 shēng
HSK 1
life, living, lifetime; birth
宙 zhòu
HSK 6
time as concept; infinite time