劍橋詞典

a brand name for a radio communication system for members of the public
民用波段，民用電臺(tái)頻帶
Long-distance truck drivers often use CB radio to talk to each other. 長(zhǎng)途卡車(chē)司機(jī)常常用民用波段無(wú)線(xiàn)電相互交談。 返回 Citizens' Band