on-line

adj (computing 计) (of a device) connected to and controlled by a computer 联机的; 联线的: an ,on-line `ticket booking system 联机订票系统 * We've been on-line (ie have had on-line equipment) for about a year now. 我们安装联机设备约有一年了.

on the principle of, on the quiet, on the road, on the run, on the side, on the sly, on the spot, on the stroke, on the table, on the trail, on the trail of sb., on the turn, on the verge of, on the whole, on time, on to, on top of, on top on, on trust, on view, on-stage, on-the-spot, once, once (and )for all, once a month, once and for all, once for all, once in a while, once more, once upon a time, oncologist, oncoming, one, one after another, one another, one day, one p (also 1p), one's bread is buttered, one's opposite number, one-,