2on/at the periphery (of something) formalOUT/OUTSIDEa person or thing that is on the periphery of something is not one of the main people or things involved in it (与某事物)稍有牵连的,处于(某事物)外围的
extremists on the periphery of the animal rights movement
处于动物权利运动边缘的极端分子
Homeopathy is on the periphery of medical practice.
顺势疗法处于医疗的边缘地带。
Examples from the Corpus
on/at the periphery (of something)• That's always a very easy thing to do on the periphery.• He had never met Hindley Foster, some one who seemed very much on the periphery of their lives.• Now she was standing at the periphery of the crowd, wondering whether Cantor would even open the envelope she was clutching.• They may stayon the periphery watching the recess-time basketball games and jump-rope competitions from the sidelines of the playground.• Moss moved on the broken treesat the periphery of the golfgrass.• Ken's friendships and the way he established them continued to surprise those who were on the periphery of his activities.