显生宙 (顯生宙) xiǎnshēngzhòu

xiǎnshēngzhòu proper noun Phanerozoic
Domain: Modern Chinese 现代汉语 , Subdomain: Geology , Concept:
Notes: Geological eon lasting since the Cambrian 寒武紀|寒武纪, c. 540m years ago (CC-CEDICT '顯生宙')