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Span Details
シルバーオンライン
safety device for the elderly that calls for help if not activated periodicallynoun
は、
topic markergrammar
高齢者
elderly person; senior citizennoun
の
possession, attribution, nominalizer, or nominal linkergrammar
安否確認
safety confirmation; welfare checknoun
に
direction, time, indirect object, or target markergrammar
役立つ。
be useful; be helpful; serve the purposegodan verb