← 単語を見るに戻るbackupnoun#3,277訳語サブサブ控えひかえ助太刀すけだち下支えしたざさえ英語の定義an accumulation caused by clogging or a stoppage例文Jane radioed the dispatcher for backup.No problem. If X happens, we have Y as a backup.似ている単語backupsbackusbackbacksbackedbacker← defendantwounds →