on-air 的英语意思
on-airˈon-air adjective [only before noun] 
查看全部语言翻译 broadcast while actually happening在事件实际发生时进行直播的 OPP off-air: 
an on-air interview现场直播采访
查看全部语言翻译 broadcast while actually happening在事件实际发生时进行直播的 OPP off-air: an on-air interview现场直播采访