open lineBrE/ˌəʊpən ˈlaɪn/NAmE/ˌoʊpən ˈlaɪn/nounatelephonecommunicationinwhichconversationscanbeheardorrecordedbyothers可被监听(或录音)的电话;开放线路电话
open lineBrE/ˌəʊpən ˈlaɪn/NAmE/ˌoʊpən ˈlaɪn/adjectiveˌopen-ˈline[only before noun]relatingtoaradioortelevisionprogrammethatthepubliccantakepartinbytelephone(电台或电视节目)公众可打电话参与的,开放式的,互动式的◆anopen-lineradioshow互动式电台节目