gun·pow·der 
(gŭnpou′dər)
(gŭnpou′dər)n.
Any of various explosive powders used to propel projectiles from guns, especially a black mixture of potassium nitrate, charcoal, and sulfur.
| 单词 | gunpowder |
| 释义 | gun·pow·der (gŭnpou′dər)n. Any of various explosive powders used to propel projectiles from guns, especially a black mixture of potassium nitrate, charcoal, and sulfur. |
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