AnalyzerSentence analysis4SpansSentence厳しい自然環境で生き抜く。1000 character limitAnalyzeSentence厳きびしい自し然ぜん環かん境きょうで生いき抜ぬく。Span Details厳きびしいstrict; severe; rigorous; hard; difficult; tough; harsh; intensei-adjective自し然ぜん環かん境きょうnatural environment; the environmentnounでlocation, means, or scope markergrammar生いき抜ぬく。survive; live through; pull throughgodan verb