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Sentence
Span Details
鉱物学
mineralogynoun
の
possession, attribution, nominalizer, or nominal linkergrammar
知識
knowledge; informationnoun
は
topic markergrammar
宝石
gem; jewel; precious stonenoun
の
possession, attribution, nominalizer, or nominal linkergrammar
鑑定
expert appraisal; judgment; authenticationnoun, suru verb, no-adjective
に
direction, time, indirect object, or target markergrammar
役立つ。
be useful; be helpful; serve the purposegodan verb