Word · Frequency #24179
CB
noun
民用波段
citizen's band
钶（铌的旧称）；平民波段；[医] 钶(41号元素铌的旧名)
In use
He installed a CB radio in his truck to talk with other drivers on long trips.
The trucker used CB to report the road closure ahead.
My uncle still uses his old CB, though most people now use mobile phones.
on cb
“cb”常指民用波段（citizens band），常用于“on cb”结构中，表示通过这种无线电设备。
We heard the announcement on cb on the way to work.
我们在上班途中通过民用波段听到了那个通知。
Connections
Collocations
- CB radio
- 民用波段无线电（对讲机）
- He installed a CB radio in his truck to talk to other drivers.他在卡车里装了一台民用波段对讲机，以便和其他司机通话。
- CB channel
- 民用波段信道
- Truckers often use CB channel 19 on the highway.卡车司机在公路上经常使用民用波段第19信道。
- CB operator
- 民用波段用户（操作者）
- The CB operator warned other drivers about the roadblock ahead.那位民用波段用户提醒其他司机前方有路障。
- CB slang
- 民用波段俚语
- New CB users soon learn slang terms like 'breaker' and 'handle'.新的民用波段用户很快就学会'breaker'和'handle'这类俚语。
- CB handle
- 民用波段电台昵称（呼号）
- Her CB handle was 'Night Owl' because she often drove at night.她的民用波段电台昵称是'夜猫子'，因为她经常在夜里开车。
Learner notes
Memory Tip
把 cb 想成电台呼号：C 是民用(Civil)，B 是波段(Band)；医学语境里 Cb 是钶的旧元素符号，别和现代 Nb 混淆。
Context & Register
语域：mixed 常见场景：citizens band radio、chemistry (historical element name) CB 作为缩写，通常指民用波段无线电通信，多用于车载电台或业余通信场景；在化学领域则指钶（铌的旧称），比较常见于历史或专业文献。整体用法因领域差异较大，需结合上下文判断。
Dictionary facts from ECDICT, WIKTIONARY.