AnalyzerSentence analysis3SpansSentence骨を元に戻す1000 character limitAnalyzeSentence骨ほねを元もとに戻もどすSpan Details骨ほねbone; frame; framework; outline; core; backbone; spirit; fortitude; laborious; troublesome; difficultnoun, na-adjectiveをobject markergrammar元もとに戻もどすreturn to original state; restore; reset; put backexpression, verb