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Sentence analysis
7Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
分野
field; area; domain; branchnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
定説
established theory; accepted viewnoun
に
direction, time, indirect object, or target markergrammar
挑戦
challenge; attempt; defiancenoun, suru verb
する。
light/support verb with a noun or noun-like phrasegrammar