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Sentence analysis
10Spans
Sentence
Span Details
昔時
old times; former timesnoun, adverb
の
possession, attribution, nominalizer, or nominal linkergrammar
風習
custom; traditional practice; mannersnoun
を
object markergrammar
記録
record; log; documentation; record (sports, etc.); best marknoun, suru verb
した
light/support verb with a noun or noun-like phrase-> するgrammar
書物
book; volumenoun
は
topic markergrammar
貴重
precious; valuablena-adjective, noun
だ。
plain copulagrammar