中ちゅう石せっ器き時じ代だい
Meanings
Noun
1. Mesolithic; Middle Stone Age
Kanji used
in
stone
instrument
time
substitute
Pitch accent
ちゅ
うせっきじ
だい
Composed of
medium (size); average (grade, level, etc.); in; within; during; while; currently (doing)