Fuel load is extreme out in these areas. Everything is easily ignitable.

这些地区的燃料负荷非常严重，一切都很容易被点燃。

Celluloid gets its ignitable properties from a substance called nitrocellulose, which was used as a replacement for gunpowder in weapons during the 1800s.

赛璐珞从一种叫做硝化纤维素的物质中获得可燃特性，硝化纤维素在 19 世纪被用作武器中火药的替代品。