AnalyzerSentence analysis2SpansSentence脊柱湾曲1000 character limitAnalyzeSentence脊せき柱ちゅう湾わん曲きょくSpan Details脊せき柱ちゅうspinal column; spine; vertebral columnnoun湾わん曲きょくcurve; bend; crooknoun, suru verb