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Sentence analysis
7Spans
Sentence
Span Details
その
that; the; part; section; number; um; er; uh-> 其のpre-noun adjective, interjection
探検
exploration; expeditionnoun, suru verb
は
topic markergrammar
歴史的
historical; traditional; historicna-adjective
な
adnominal form of the copula after a na-adjectivegrammar
壮挙
ambitious undertaking; heroic enterprise; grand schemenoun
だった。
past copulagrammar