aeon

名词 aeon:

1. (Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universe
   同义词：eon
2. the longest division of geological time
   同义词：eon
3. an immeasurably long period of time
   同义词：eon

1. The earth was formed aeons ago.
   地球形成於亿万年前。