点燃导火线 meaning in English

spitting

With the aid of his pickaxe , dant s , after the manner of a labor - saving pioneer , dug a mine between the upper rock and the one that supported it , filled it with powder , then made a match by rolling his handkerchief in saltpetre . he lighted it and retired
唐太斯拿起鹤嘴锄，在大圆石和那块顶住它的大石头之间挖了一个如同工兵开路时想节省人力的坑沿，里面填满火药，然后用他的手帕卷了一点硝石作导火线，点燃导火线，赶快退开。