AnalyzerSentence analysis5SpansSentence長期にわたる調査が必要だ。1000 character limitAnalyzeSentence長ちょう期きにわたる調ちょう査さが必ひつ要ようだ。Span Details長ちょう期きにわたるbe protracted; extend over a long period; be prolongedexpression, verb調ちょう査さinvestigation; examination; inquiry; surveynoun, suru verbがsubject markergrammar必ひつ要ようnecessary; needed; essential; necessity; need; requirementna-adjective, nounだ。plain copulagrammar
