(about a product or service) available on or done using the Internet or another computer network（产品或服务）在线的，联机的，联网的◆an online bank/retailer/database/bookstore网上银行／零售商／数据库／书店◆Free delivery has increased online sales.免费送货提高了网上销售量。◆a new online recruitment service for employers and job seekers为雇主和求职者提供的新的网上招聘服务◆The course combines classroom training with online learning.这个课程将课堂练习与在线学习结合起来。  ➡  offline