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Sentence
Span Details
琉球王国
Ryukyu Kingdomnoun
は
topic markergrammar
中国
China; Chūgoku region; central part of a country; main region; province of the second lowest rank (ritsuryō system)noun
に
direction, time, indirect object, or target markergrammar
朝貢
bringing tribute; paying tributenoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar