核心畫面
You can hold radio as sending sound through the air with no wire — invisible signals carrying voices and music from far away to a little box that turns them back into sound. From that one picture come the home set you listen to, the programmes it carries, the two-way handset on ships and planes, the whole signal system itself, and the act of speaking through one.
可以把 radio 想成「靠看不見的訊號、不用電線就把聲音送過空中」——遠方的人聲與音樂化成隱形的波，傳到一個小盒子…更多收起
可以把 radio 想成「靠看不見的訊號、不用電線就把聲音送過空中」——遠方的人聲與音樂化成隱形的波，傳到一個小盒子裡，再變回聲音。從這一個畫面，長出你在家聽的那台機器、它播的節目、船上飛機上雙向對講的那種無線電、整套訊號系統本身，以及「用它來傳話」這個動作。原始詞典資料8 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
Radioname
- 1
A surname.
radionoun/ˈɹeɪ.diˌəʊ/
- 1
The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
- send a message by radio
- 2
A device that can capture (receive) the signal sent over radio waves and render the modulated signal as sound.
- (of a song, person, etc.) to be on the radio
- (of a song, etc.) to play on/be played on/get played on/come on the radio
- 3
A device that can capture (receive) the signal sent over radio waves and render the modulated signal as sound.
- 4
A device that can transmit radio signals.
- 5
The continuous broadcasting of sound via the Internet in the style of traditional radio.
radioverb/ˈɹeɪ.diˌəʊ/
- 1
To use two-way radio to transmit (a message) (to another radio or other radio operator).
- I think the boat is sinking; we'd better radio for help. / I radioed him already. / Radio the coordinates this time. / OK. I radioed them the coordinates.
- 2
To order or assist (to a location), using telecommunications.
- “Could you call them here? I'd like to talk to them. Or if they're out in the field, radio them in.”
- When I told him that they weren't back yet, he asked if we could radio them back early […] Radioing them in was fine with me.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。