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单词
black powder
释义
WordReference Random House Unabridged Dictionary of American English © 2024
black
′
pow
′
der,
Chemistry, Military
an explosive powder consisting of saltpeter, sulfur, and charcoal, used chiefly in old guns fired for sport, in fireworks, and for spotting charges in practice bombs;
black gunpowder.
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更新时间:2025/2/23 15:31:39