调幅广播 tiáofúguǎngbō AM radio Origin Definitions Defs Strokes Stroke Words Sentences Sents 调幅 調幅 tiáofú amplitude modulation amplitude modulation (AM); a method of radio transmission where the strength of the carrier wave is varied to convey signals广播 廣播 guǎngbō noun to broadcast to transmit audio or video signals via radio or television