[] ( ˈopening) the process of removing restrictions and making sth such as a market, jobs, land, etc. available to more people解禁；开放◆the opening up of the postal services market to competition向竞争者开放邮政服务市场◆the opening up of new opportunities for women in business为在职女性提供新的机会the process of making sth ready for use启用；落成◆the opening up of a new stretch of highway一段新高速公路的开通启用