AnalyzerSentence analysis3SpansSentence古墳の石室1000 character limitAnalyzeSentence古こ墳ふんの石せき室しつSpan Details古こ墳ふんancient burial mound; tumulus; barrownounのpossession, attribution, nominalizer, or nominal linkergrammar石せき室しつstone hut; rock chamber; stone burial chamber; tombnoun