on air

介词短语

英文释义

介词短语
  1. Broadcasting or transmitting through the medium of radio or television.
    — Julie is on air now, presenting the weather forecast.
  2. Being, or so as to be, broadcast or transmitted by radio or television.
    — Don't interrupt while the program is on air.
  3. Smoothly; gracefully. figuratively
  4. Happily. figuratively
  5. Won with a high card though capturing only small cards.
  6. Used other than figuratively or idiomatically: see on, air.

词形变化

on-air alternative

词源

The broadcasting sense derives from the early use of radio, literally sending the transmission on the air waves.
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