AnalyzerSentence analysis2SpansSentence中国研究1000 character limitAnalyzeSentence中ちゅう国ごく研けん究きゅうSpan Details中ちゅう国ごくChina; Chūgoku region; central part of a country; main region; province of the second lowest rank (ritsuryō system)noun研けん究きゅうresearch; study; investigationnoun, suru verb