详细解释:n. 火室, 燃烧室
【化】 燃烧室
英语解释：
名词 firebox:
a furnace (as on a steam locomotive) in which fuel is burned详细解释：
fire.box
n.（名词）A chamber, such as the furnace of a steam locomotive, in which fuel is burned.火箱，燃烧室：一种燃料在里面燃烧的内室，例如蒸汽机车的燃烧室A box containing a fire alarm.火警匣：装有火警报警器的盒子