on·line /ˈɔnˈlaɪn, ˈɑnˈlaɪn/
  聯機,在線的
  online
  線上; 連線
  online
  連線 線上
  on-line
  連線 線上
  on-line
       adj 1: on a regular route of a railroad or bus or airline system;
              "on-line industries" [ant: off-line]
       2: connected to a computer network or accessible by computer;
          "an on-line database" [ant: off-line]
       3: being in progress now; "on-line editorial projects" [syn: on-line(a)]