AnalyzerSentence analysis5SpansSentence黒曜石は貝殻状断口を示す。1000 character limitAnalyzeSentence黒こく曜よう石せきは貝かい殻がら状じょう断だん口こうを示しめす。Span Details黒こく曜よう石せきobsidiannounはtopic markergrammar貝かい殻がら状じょう断だん口こうconchoidal fracturenounをobject markergrammar示しめす。show; demonstrate; make apparent; point out; point to; indicate; represent; signify; displaygodan verb