gunpowder

英 [ˈɡʌnpaʊdə(r)]

美 [ˈɡʌnpaʊdər]

n.  火药

CET4CET6TEM8化学

BNC.16323 / COCA.16953

牛津词典

noun

• 火药
  explosive powder used especially in bombs or fireworks

柯林斯词典

• 火药
  Gunpowderis an explosive substance which is used to make fireworks or cause explosions.

英英释义

noun

• a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks
  Synonym:powder

双语例句

• The soldiers exploded the gunpowder under the bridge.
  士兵们引爆了桥下的炸药。
• In recent years, a low-carbon war without smoke of gunpowder emerged in the international field.
  近些年来国际掀起了一场无硝烟的“低碳战”，国内外的一切建设都以此为指导思想。
• Gunpowder was used in China as far back as the 11th century.
  远在公元11世纪，中国已使用火药。
• Gunpowder also sped up the slow process of digging up stones.
  黑火药还加快了缓慢的采石进程。
• After the introduction of the cannon and gunpowder to the West, Westerners very quickly became expert with cannons.
  大炮和火药介绍到西方之后，西方人很快称为大炮的专家。
• The gunpowder failed to ignite.
  火药没点着火。
• He exploded the gunpowder for fun but it caused the fire.
  他爆炸火药找乐子，却造成了大火。
• Gunpowder is composed of sulfur, carbon, and potassium nitrate.
  火药是由硫、碳和硝酸钾组成。
• If you bring fire into contact with gunpowder, there will be an explosion.
  假如你让火和火药接触，就会发生爆炸。
• The gunpowder went off unexpectedly. All the charges blew up at once.
  火药意外地爆炸了。火药一下子都炸响了。