be on air

US /bi ɑn eər/
UK /bi ɑn eər/
"be on air" picture
1.

播出, 直播

to be broadcast on radio or television

:
•
The show will be on air live at 8 PM.
节目将于晚上8点现场直播。
•
The news report is about to be on air.
新闻报道即将播出。
:
broadcasttransmittedairedon the airon televisionon radio
:
airon-airairingair conditionerair pollutionair conditioningair force