“爆炸火药”常见的英文表达是 explosive powder 或 explosive charge(当强调其作为爆炸装药时) 。
explosive powder 侧重于指作为爆炸物质的粉末状火药。例如:The workers are carefully handling the explosive powder.(工人们正在小心地处理爆炸火药 。)
explosive charge 更强调用于爆炸目的的装药量,也可用来表达“爆炸火药” 。例如:The explosive charge in the device was powerful enough to cause significant damage.(装置里的爆炸火药威力足够大,能造成严重破坏 。)