AnalyzerSentence analysis4SpansSentence螺旋形の階段1000 character limitAnalyzeSentence螺ら旋せん形けいの階かい段だんSpan Details螺ら旋せんspiral; helix; screwnoun形けいform; type; shape; adjective; i-adjectivesuffix, nounのpossession, attribution, nominalizer, or nominal linkergrammar階かい段だんstairs; stairway; staircasenoun