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Sentence
Span Details
力学的エネルギー
mechanical energynoun
保存
preservation; conservation; storage; maintenance; saving (data)noun, suru verb
の
possession, attribution, nominalizer, or nominal linkergrammar
法則
law; rule; principlenoun
を
object markergrammar
学ん
learn; study; take lessons in-> 学ぶgodan verb
だ。
past tense or completed action-> たgrammar