auxiliary /ɔ:ɡˈziljəri/ I. adj. 辅助的，补助的：an auxiliary verb 助动词 If the main power line fails, the hospital will use its auxiliary generator. 如果动力干线出事，医院就用备用的发电机。‖II. n. ［c］ 辅助品，助手；助动词：The doctor is hoping to find 2 auxiliaries to work under him. 大夫希望找到两个助手在他手下工作。The microscope is a useful auxiliary to human eye. 显微镜是肉眼的有用助手。