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单词 rock-fire
释义

Definition of rock-fire in English:

rock-fire

noun
historical

  • A hard incendiary substance that burns slowly and is difficult to extinguish, consisting chiefly of a mixture of resin, sulphur, and potassium nitrate.

Origin

Mid 19th century.

Definition of rock-fire in US English:

rock-fire

noun
historical

  • A hard incendiary substance that burns slowly and is difficult to extinguish, consisting chiefly of a mixture of resin, sulphur, and potassium nitrate.

Origin

Mid 19th century.
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更新时间：2024/12/28 11:46:17