n. 1.无线电讯[电报，电话]；无线电，射电。 2.无线电广播；无线电(广播)台。 3.收音机。 短语和例子 listen (in) to the radio 听无线电。 radio message 无线电通讯。 vt.,vi. 用无线电传送[广播]；(向…)作无线电广播[传送]；用X射线拍照；用镭医治。
indicating radiation or radioactivity; "radiochemistry"
transmit messages via radio waves; "he radioed for help"
a communication system based on broadcasting electromagnetic waves 同义词：wireless,
an electronic receiver that detects and demodulates and amplifies transmitted signals 同义词：radio receiver, receiving set, radio set, tuner, wireless,
medium for communication 同义词：radiocommunication, wireless,
Radio is the wireless transmission of signals through free space by electromagnetic radiation of a frequency significantly below that of visible light, in the radio frequency range, from about 30?kHz to 300?GHz.Dictionary of Electronics By Rudolf F.
例句与用法
1.
I could hear music playing on the radio . 我听到收音机里演奏着音乐。
2.
He is recording music from the radio . 他正录下无线电广播中的音乐。
3.
He manipulated the frequency dial of the radio . 他开始调拨频率键盘。
4.
Do you prefer radio or television ? 你喜欢听广播，还是喜欢看电视？
5.
A radio was installed on the platform . 在讲台上安置了一架收音机。
6.
Take your thieving hands off my radio ! 你那双贼手别碰我的收音机！
7.
The local shop has some radios going cheap . 本地商店有些廉价的收音机。
8.
Nim reached out snapping off the radio . 尼姆伸手关掉了收音机。
9.
Your new radio certainly has good definition . 你的新收音机声音的确清晰。
10.
Radio communication has annihilated space . 无线电通讯已消除了空间的隔阂。
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