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Sentence analysis
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Sentence
Span Details
日震学
helioseismologynoun
は
topic markergrammar
太陽
sun; Sunnoun
内部
interior; inside; internalnoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
構造
structure; construction; makeupnoun
を
object markergrammar
調べる
examine; look up; investigate; checkichidan verb
学問
study; scholarship; learning; discipline; branch of learning; sciencenoun, suru verb
だ。
plain copulagrammar