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Sentence
Span Details
枕状溶岩
pillow lavanoun
は
topic markergrammar
海底
bottom of the ocean; seafloor; seabed; undersea; submarinenoun, noun-modifying
火山活動
volcanic activitynoun
の
possession, attribution, nominalizer, or nominal linkergrammar
証拠
evidence; proofnoun
として
as; in the role ofgrammar
重要
important; essential; significantna-adjective
だ。
plain copulagrammar