AnalyzerSentence analysis6SpansSentence化学工場では防毒対策が欠かせない。1000 character limitAnalyzeSentence化か学がく工こう場じょうでは防ぼう毒どく対たい策さくが欠かかせない。Span Details化か学がく工こう場じょうchemical plant; chemical factorynounではcontrastive で + は; then; well thengrammar防ぼう毒どくgasproofing; protection against poison gasnoun対たい策さくcountermeasure; measure; stepnounがsubject markergrammar欠かかせない。indispensable; essential; vital; crucialexpression, i-adjective
