on·line, on-line/`ɑnˏlaɪn; ˈɒnlaɪn/ adj, adv 1 connected to other computers, especially computers that are on the INTERNET 网上（的），在线（的）: online banking facilities (=available using the Internet) 网上银行服务设施 go online (=start to be online) 连接上互联网: All of our local schools will go online by the end of the year. 到年底我们本地的所有学校都将上互联网。 2 directly connected to or controlled by a computer 联机（的）〔指直接与某台电脑连接或受它控制〕: an online printer 联机打印机