fire stone

汉语翻译

英语解释：

名词 fire stone:

1. a piece of flint that is struck to light a fire
   同义词：firestone
2. a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns
   同义词：firestone

例句：

1. An early form of cannon that fired stone balls.
   射石炮早期发射石弹大炮的一种