Search the dictionary A Chinese word or character, or English Draw a character Search 2 entries. xiǎnshēngzhòu 显生宙 Phanerozoic, geological eon lasting since the Cambrian 寒武紀|寒武纪[Han2 wu3 ji4], c. 540m year ago xiǎnshēngzhòu 顯生宙 Phanerozoic, geological eon lasting since the Cambrian 寒武紀|寒武纪[Han2 wu3 ji4], c. 540m year ago