这种打火石非常坚硬。

This type of flint is very hard.

他用打火石点燃了篝火。

He used a flint to start the campfire.

他学会了如何用打火石点火。

He learned how to use a flint to light a fire.

打火石是古代人类的重要工具。

Flint was an important tool for ancient humans.

他从背包里拿出打火石和刀。

He took out a flint and a knife from his backpack.

他们在野外生存时依靠打火石生火。

They relied on flint to make fire while surviving in the wild.

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.

说来就是装打火石，烟叶，纸片等易燃物的盒子。谁让那时还没有火柴呢？

Tinder Box contains very combustible fibers which will smolder when a steel spark is struck on it by a piece of Flint.

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 too much about the flints , he was afraid to speak now.

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 too much about the flints, he was afraid to speak now.