AnalyzerSentence analysis7SpansSentence琉球王国は中国の朝貢国だった。1000 character limitAnalyzeSentence琉りゅう球きゅう王おう国こくは中ちゅう国ごくの朝ちょう貢こう国こくだった。Span Details琉りゅう球きゅう王おう国こくRyukyu Kingdomnounはtopic markergrammar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のpossession, attribution, nominalizer, or nominal linkergrammar朝ちょう貢こうbringing tribute; paying tributenoun, suru verb国こく-suffix国くにcountry; state; nation; region; land; area; national government; central government; home country; home; hometown; province of old Japan; earthだった。past copulagrammar