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Sentence
Span Details
石油化学
petrochemistrynoun
は
topic markergrammar
現代
present age; present day; today; modern era; modern timesnoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
産業
industry; livelihood; occupationnoun
に
direction, time, indirect object, or target markergrammar
欠かせない
indispensable; essential; vital; crucialexpression, i-adjective
分野
field; area; domain; branchnoun
だ。
plain copulagrammar