sūokunen
1. several hundred million years
★ Common
Noun
#107257
1. several hundred million years
1. If/when hundreds of millions of years pass.
1. If billions of years.; When billions of years have passed.
1. Millions of years in; Millions of years to
1. Was billions of years.
1. Not hundreds of millions of years.; It isn't hundreds of millions of years.
1. Billions of years ago.
1. Billions of years.; Probably billions of years.
1. Not hundreds of millions of years.; It is not hundreds of millions of years.
1. It was not several hundred million years.; It wasn't several hundred million years.