be on air
US /bi ɑn eər/
UK /bi ɒn eər/
短語
播出, 直播
to be broadcast on radio or television
範例:
•
The show will be on air live at 8 PM.
節目將於晚上8點現場直播。
•
The news report is about to be on air.
新聞報導即將播出。