洪こう積せきこうせきじ字FuriganaAudioMeanings1noundiluvial epoch; Pleistocenegeology›Geological term for the Pleistocene epoch, often used in older or formal contexts. In modern geology, 更新世 (こうしんせい) is more common.洪こう積せき層そうから化か石せきが発はっ見けんされた。Break this sentence down in the analyzerFossils were discovered in the diluvial formation.この地ち域いきの洪こう積せき台だい地ちは農のう業ぎょうに適てきしている。Break this sentence down in the analyzerThe diluvial upland in this area is suitable for agriculture.
