单词 | gunpowder |
释义 | gunpowder (once / 1376 pages) n WORD FAMILY gunpowder: gunpowders USAGE EXAMPLES“It was so horrible. It smelled like gunpowder,” Uyanik said, adding that she saw two gunmen at the club. Washington Post(Dec 31, 2016) The elevator, underrated and overlooked, is to the city what paper is to reading and gunpowder is to war. The New Yorker(Dec 27, 2016) Another was the internal combustion engine, early versions of which ran on petrol, gas, or even gunpowder. BBC(Dec 18, 2016) n a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks Syn|Hyper powder explosive a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck |
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