備份 bèifèn to back up Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: spare All meanings 7 bèifèn 7 to back up 3backup 3spare 1 1 sentence for 備份 (bèifèn — spare) 我有备份钥匙。 wǒ yǒu bèifèn yàoshi. I have a spare key. Source: OpenSubtitles