(computer science) electronic equipment connected by cable to the CPU of a computer;"disk drives and printers are important peripherals"
Adjective:
on or near an edge or constituting an outer boundary; the outer area;"Russia"s peripheral provinces" "peripheral suburbs"
related to the key issue but not of central importance;"a peripheral interest" "energy is far from a peripheral issue in the economy" "peripheral issues"
中英词源
peripheral 外围的，不重要的
来自periphery,外围，边缘。引申词义外围的，不重要的。
peripheral (adj.)
1803, from periphery + -al (1). An earlier formation was peripherial (1670s). Related: Peripherally. As a noun, peripherals, "peripheral devices of a computer," is from 1966.
词态变化
复数 peripherals; 副词 peripherally;
权威造句
1. Science is peripheral to that debate.
科学并非那场辩论的重点。
来自柯林斯例句wWw.WENTIyi.CoM
2. Fund-raising is peripheral to their main activities.
对他们的主要活动而言，筹集资金是次要的。
来自《权威词典》
3. The men are somewhat peripheral to this society.
相对于这个社会来说,人似乎无足轻重.
来自《简明英汉词典》
4. Companies are increasingly keen to contract out peripheral activities like training.
公司越来越倾向于把像培训这样的非核心业务外包出去。
来自辞典例句
5. Programmers like wizards because they get to treat users like peripheral devices.
