the outer edge of a particular area 边缘；周围；外围 the less important part of something, for example of a particular activity or of a social or political group 次要部分；次要活动；边缘 - on the periphery of something
minor parties on the periphery of American politics 处于美国政治边缘的小党派
- on the periphery of something
Word Originlate 16th cent. (denoting a line that forms the boundary of something): via late Latin from Greek periphereia ‘circumference’, from peripherēs ‘revolving around’, from peri- ‘around’ + pherein ‘to bear’.