AnalyzerSentence analysis6SpansSentence自然環境の保全が急務だ。1000 character limitAnalyzeSentence自し然ぜん環かん境きょうの保ほ全ぜんが急きゅう務むだ。Span Details自し然ぜん環かん境きょうnatural environment; the environmentnounのpossession, attribution, nominalizer, or nominal linkergrammar保ほ全ぜんpreservation; conservation; maintenance; integritynoun, suru verbがsubject markergrammar急きゅう務むurgent task; pressing need; imperativenounだ。plain copulagrammar