I'm sorry, but we do not accept the dollars with CB.
对不起，我们这里不收CB版的美金。
2
A truck driver used his CB radio to call for help.
卡车司机用民用波段无线电呼救。
《牛津词典》
3
A chemiresistor sensor was fabricated for the analysis of volatile organic compounds(VOCs) with carbon black(CB)-polymer composite as sensing film and interdigital electrodes.