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Sentence
Span Details
生殖的隔離
reproductive isolationnoun
は
topic markergrammar
種分化
speciationnoun, suru verb
の
possession, attribution, nominalizer, or nominal linkergrammar
重要
important; essential; significantna-adjective
な
adnominal form of the copula after a na-adjectivegrammar
要因
main cause; primary factornoun, no-adjective
である。
formal copulagrammar