| In the mid-Jomon period, round and elliptical layouts with four or five support columns became prevalent, with fireplaces built on the dirt floor, those surrounded by stones or those employing earthen vessels. |
中期では円形および楕円形が多く、4本から5本の柱をもつものが主流であり、地床炉や石囲炉、また炉体土器を伴う炉が見られた。 |