AnalyzerSentence analysis3SpansSentence画期的な進歩1000 character limitAnalyzeSentence画かっ期き的てきな進しん歩ぽSpan Details画かっ期き的てきgroundbreaking; revolutionary; epoch-makingna-adjectiveなadnominal form of the copula after a na-adjectivegrammar進しん歩ぽprogress; advance; improvement; developmentnoun, suru verb