AnalyzerSentence analysis5SpansSentence急速な技術の進歩1000 character limitAnalyzeSentence急きゅう速そくな技ぎ術じゅつの進しん歩ぽ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)grammarReport an issue with this page