AnalyzerSentence analysis3SpansSentence胸部が平坦1000 character limitAnalyzeSentence胸きょう部ぶが平へい坦たんSpan Details胸きょう部ぶchest; thorax; breastnounがsubject markergrammar平へい坦たんflat; level; even; smooth; calm; peaceful; uneventful; trouble-freena-adjective, noun