short wave
noun🔊/ˈʃɔːt weɪv/
🔊/ˈʃɔːrt weɪv/
(also shortwave)
[countable, uncountable] (abbreviation SW)
a radio wave with a length of between 10 and 100 metres; the band of radio waves of this length used for broadcasting （无线电）短波 a short-wave radio/transmitter 短波无线电/发射机 - on short wave
The BBC also broadcasts on short wave. 英国广播公司也在短波广播。