ra·dio /ˈrediˌo/
 無線電,收音機,無線電報,無線電廣播,無線電臺(vt.)(vi.)用無線電發送


 radio
 無線電


 radio
      adj : indicating radiation or radioactivity; "radiochemistry"
      n 1: medium for communication [syn: radiocommunication, wireless]
      2: an electronic receiver that detects and demodulates and
         amplifies transmitted signals [syn: radio receiver, {receiving
         set, radio set, tuner, wireless]
      3: a communication system based on broadcasting electromagnetic
         waves [syn: wireless]
      v : transmit messages via radio waves; "he radioed for help"