元古宙 yuán gǔ zhòu

pre-Cambrian (geological eon 2500-645m)

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. pre-Cambrian (geological eon 2500-645m)

Characters

Character Meaning
元 yuán HSK 3
currency unit (esp. Chinese yuan); original; primary
古 gǔ HSK 5
ancient; old; surname Gu
宙 zhòu HSK 6
eternity; (geology) eon