求翻译：用强韧的树枝或竹片绑上鞋带、绳子或皮带，做成一个弓子。在弓上缠一根干燥的木棍，用它在一小块硬木上迅速的旋转。这样会钻出黑色粉末，最后，这些粉末会冒烟而生出火花，点燃火种。是什么意思？

Robust branches or bamboo to tie shoelaces, rope or belt, made a bow. Wrapped around the bow on a dry wooden sticks, rotating quickly on a small piece of hardwood. This will be drilled black powder Finally, the powder will smoke and give birth to a spark ignited the fire.

A strong container or bamboo tied laces, rope or belt, and make a bow. bow tied in a dry wooden stick, use it on a small hardwood rapid rotation. In this way will be drilled out of the black powder, and, finally, the powder will be smoke, sparks, igniting fires.

Tie up the shoelace, the string or the leather belt with the tenacious branch or the bamboo strip, makes a bow.Entangles a dry wooden club on the bow, with it on scrap hardwood rapid revolving.This can drill the black powder, finally, these powder can belch smoke give birth the spark, the ignition k

Tying shoelaces with tough branches or pieces of bamboo, rope or belt, made a bow. Bow wrapped around a dry stick, rotate it quickly on a small piece of hardwood. It would drill out the black powder, and finally, the powder will smoke and Sparks, ignite fires.