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Sentence
Span Details
江戸時代
Edo period (1603–1868)noun
に
direction, time, indirect object, or target markergrammar
人痘法
variolationnoun
が
subject markergrammar
導入
introduction; bringing in; installation; importation; introduction (of a story, lecture, etc.); introductory partnoun, suru verb
され
passive, potential, or respect auxiliary-> されるgrammar
た。
past tense or completed actiongrammar