AnalyzerSentence analysis3SpansSentence急速な進歩1000 character limitAnalyzeSentence急きゅう速そくな進しん歩ぽSpan Details急きゅう速そくrapid; fast; quickna-adjective, nounなadnominal form of the copula (after a na-adjective or noun)grammar進しん歩ぽprogress; advance; improvement; developmentnoun, suru verbReport an issue with this page