on air片语KK [ɑn ɛr] /ɑn ɛɹ/发音片语1正在播出、在直播中Be quiet, please — we're on air in ten seconds.请安静,我们十秒后就开始播出。2开播、播出The new morning show goes on air next Monday.新的晨间节目下周一开播。形容词1播出时的、节目中的She apologized for her on-air comments about the mayor.她为自己在节目中对市长的评论道歉。用这个字练口说→