きゅう石器 せっき時代 じだいじゃありません
akyūsekkijidaijārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 亜旧石器時代

1. It is not the Lower Paleolithic.; It's not from the Lower Paleolithic.

Negative
Polite
Terminal Form