gunpowder

• 104 story world turning gunpowder smoke into heavenly sparks
  104故事百宝箱化烟硝为天堂火花
• The chinese anticipated the european discovery of gunpowder
  中国人在欧洲人之前发明了火药。
• A smell of gunpowder penetrated the woods
  森林中弥漫著火药味。
• . . . 1 3 times more powerful than gunpowder
  爆炸威力比火药强13倍
• Sulphur can be used to make gunpowder
  硫磺可以用来制造火药。
• The trapper exchanged furs for flour , coffee , and gunpowder
  捕兽的人用毛皮换取面粉、咖啡和火药。
• Turning gunpowder smoke into heavenly sparks
  化烟硝为天堂火花
• Safety management for coal mine gunpowder
  煤矿火药的安全管理
• 1 3 times more powerful than gunpowder
  爆炸威力比火药强13倍
• By using gunpowder , the chinese found a way to develop new weapons
  人们利用火药，发明了新的武器。