pe·riph·er·al /pəˈrɪf(ə)rəl/
 (a.)周邊的,周圍的,膚淺的
 pe·riph·er·al /pəˈrɪf(ə)rəl/ 形容詞
 peripheral
 週邊的;週邊設備;外圍 PERIF
 peripheral
 周邊
 Pe·riph·er·al a.
 1. Of or pertaining to a periphery; constituting a periphery; peripheric.
 2. Anat. External; away from the center; on or near the surface; as, the peripheral portion of the nervous system.
 ◄ ►
 peripheral
      adj 1: on or near an edge or constituting an outer boundary; the
             outer area; "Russia's peripheral provinces";
             "peripheral suburbs" [ant: central]
      2: 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"
      n : (computer science) electronic equipment connected by cable
          to the CPU of a computer; "disk drives and printers are
          important peripherals" [syn: computer peripheral, peripheral
          device]