on / at the periphery (of sth) a 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范围。 |