备援 Traditional form: 備援 Pinyin (reading): bèiyuán Definitions: backup (Tw) Characters: 备 - to prepare; to get ready, to equip; ready; perfect 援 - to assist; to lead; to quote, to cite Traditional characters: 備 - to prepare; to get ready, to equip; ready; perfect 援 - to assist; to lead; to quote, to cite