ババックアップバックアップ1backing (an initiative, candidate, etc.); support名詞noun or participle which takes the aux. verb suru他動詞2backing up (another player); covering名詞noun or participle which takes the aux. verb suru他動詞sports3backup名詞noun or participle which takes the aux. verb suru他動詞computing札へ残す語をコピー