AnalyzerSentence analysis3SpansSentence下位互換性を保つ1000 character limitAnalyzeSentence下か位い互ご換かん性せいを保たもつSpan Details下か位い互ご換かん性せいupward compatibility; forward compatibility; downward compatibility; backward compatibilitynounをobject markergrammar保たもつkeep; maintain; preserve; last; be durablegodan verb