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Sentence analysis
7Spans
Sentence
Span Details
角竜
ceratopsian; horned dinosaurnoun
は
topic markergrammar
白亜紀
Cretaceous periodnoun
後期
latter period; second half; late stagenoun, no-adjective
に
direction, time, indirect object, or target markergrammar
繁栄
prosperity; thriving; flourishingnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar