Eratosthenian

爱拉托辛纪(系)

发音

/ˌɛɹətəsˈθiːniən/
/ɛˌɹætəsˈθiːniən/

释义与例句

name
  1. 1.

    The epoch in the lunar geologic timescale that occurred between 3200 million and 1100 million years ago.