“打火石”用英语怎么说？

于是他拿出火绒箱,并敲击打火石.Then he took out his tinderbox and struck the flint.只要它的质地接近打火石, 卡森就有足够的信心将它磨成一把耐用的小刀.If it chipped like flint, he could make a serviceable knife out of it.他觉得他扯了那么一通打火石的事, 现在有点害怕.But thinking he had said...