旧きゅう石せっ器き文ぶん化かきゅうせっきぶんかじ字FuriganaMeanings1nounPaleolithic cultureRefers to the cultural period of the Old Stone Age, characterized by the use of chipped stone tools.旧きゅう石せっ器き文ぶん化かの遺い跡せきから、多おおくの打だ製せい石せっ器きが発はっ