a piece of clothing that covers the whole body and other clothing, worn especially to protect soldiers against dangerous substances such as radiation, harmful bacteria, and poisonous chemicals from weapons. NBC is an abbreviation for nuclear, biological, chemical.

British troops complained about the shortage of adequate NBC suits. 英军抱怨缺乏足够的生化防护服。

The NBC suit is definitely not designed for wear in hot climates. 生化防护服绝对不是为炎热天气设计的。