fire stone英语解释
名词 fire stone:
- a piece of flint that is struck to light a fire
同义词：firestone
- a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns
同义词：firestone
fire stone例句
- An early form of cannon that fired stone balls.
射石炮早期发射石弹大炮的一种
