| 单词 | radio |
| 释义 | radio (once / 171 pages) nvadj Radio is a way of transmitting sound using electromagnetic waves called radio waves. Nowadays, people usually only listen to the radio as they drive, but — before television — radio provided prime-time entertainment. When you turn on your car radio, you probably take for granted the many choices of music and talk stations you can choose from. The radio's electronic components do the amazing job of catching fast-moving radio waves in the air and translating them into sounds you can hear. Radios were originally called wireless because they transmit energy using waves instead of wires. The Latin root of radio is radius, "beam." WORD FAMILYradio: radioed, radioing, radios USAGE EXAMPLESThe Wildcats coach did not specify during his weekly radio show Monday night when the previously-taped talk with Pitino would air. Seattle Times(Jan 02, 2017) Billboards, TV and radio adverts all portrayed him as the face of a state hungry for success and growth. BBC(Jan 02, 2017) This year's top five will be revealed on BBC Radio 1 and online throughout the week, with the winner announced on Friday. BBC(Jan 02, 2017) 1n medium for communication Syn|Hyper radiocommunication, wireless broadcasting taking part in a radio or tv program 2n an electronic receiver that detects and demodulates and amplifies transmitted signals Syn|Hypo|Hyper radio receiver, radio set, receiving set, tuner, wireless clock radio a radio that includes a clock that can be set to turn it on automatically crystal setan early radio receiver using a crystal detector heterodyne receiver, superhet, superheterodyne receivera radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified push-button radioa radio receiver that can be tuned by pressing buttons receiver, receiving system set that receives radio or tv signals 3n a communication system based on broadcasting electromagnetic waves Syn|Hypo|Hyper wireless radiotelegraph, radiotelegraphy, wireless telegraph, wireless telegraphy the use of radio to send telegraphic messages (usually by Morse code) communication system a system for communicating 4v transmit messages via radio waves he radioed for help Hyper communicate, intercommunicate transmit thoughts or feelings 5adj indicating radiation or radioactivity |
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