波段

zhǎo dào bō duàn kāi guān

找到波段开关

find band switch

cháng bō bō duàn

长波波段

long wave

duǎn bō bō duàn

短波波段

short wave

bō duàn zhuǎn huàn

波段转换

band switching

yuè lái yuè duō de diàn shì tái hé guǎng bō diàn tái shǐ wú xiàn diàn bō duàn yù lái yù yōng jǐ

越来越多的电视台和广播电台使无线电波段愈来愈拥挤。

More and more TV and radio stations are crowding the airwaves.