Read Edit View history 备援 bèiyuán backup Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 备援/備援 · bèiyuán · backup 2026/03/04 备援 / 備援 bèiyuán backup backup (Taiwan usage) 系统必须建立完善的备援机制以防万一。 verb created sense Mar 4, 2026, 02:25 AM