AnalyzerSentence analysis5SpansSentence清潔な環境を保つ。1000 character limitAnalyzeSentence清せい潔けつな環かん境きょうを保たもつ。Span Details清せい潔けつclean; hygienic; sanitary; pure; virtuous; immaculatena-adjective, nounなadnominal form of the copula after a na-adjectivegrammar環かん境きょうenvironment; surroundings; circumstancesnounをobject markergrammar保たもつ。keep; maintain; preserve; last; be durablegodan verb