Word · Frequency #24179
CB
noun
民用波段
核心释义
citizen's band
钶(铌的旧称);平民波段;[医] 钶(41号元素铌的旧名)
用法In use
He installed a CB radio in his truck to talk with other drivers on long trips.
用法提示:CB 指‘民用波段(citizens band)’,作名词修饰 radio。
The trucker used CB to report the road closure ahead.
用法提示:CB 作名词,表示‘民用波段’通信系统。
My uncle still uses his old CB, though most people now use mobile phones.
用法提示:CB 在此处指‘民用波段电台’,作名词。
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。
相关词与表达Connections
搭配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
学习提示Learner notes
记忆技巧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。
语境与语域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.