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Sentence analysis
7Spans
Sentence
Span Details
停電
power outage; blackoutnoun, suru verb
時
o'clock; hour; time of ...; when ...; during ...suffix, no-adjective
に
direction, time, indirect object, or target markergrammar
バッテリーバックアップ
battery backupnoun
が
subject markergrammar
作動
operation; functioning; runningnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar