单词 | gunpowder |
释义 | Word Frequency gunpowder(ˈɡʌnˌpaʊdə) noun an explosive mixture of potassium nitrate, charcoal, and sulphur (typical proportions are 75:15:10): used in time fuses, blasting, and fireworks Also called: black powderDerived forms gunpowdery (ˈgunˌpowdery) adjective |
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