/pəˈrɪfərəl ||; pəˈrɪfərəl/adj1 (formal 正式)peripheral (to sth) not as important as the main aim, part, etc of sth 次要的
2 (technical术语) connected with the outer edge of a particular area 周围的；与周边有关的: the peripheral nervous system 周围神经系统
3 (
computing计算机技术) (used about equipment) connected to a computer （指设备）与计算机连接的:
a peripheral device 与计算机连接的装置 ➔peripherally /pəˈrɪfərəli ||; pəˈrɪfərəlɪ/ adv