“gunpowder”的概念、定义、翻译、参考文献-科学参考

单词	gunpowder
释义	gunpowder [`gǝn´pau̇d·ǝr] ^MATERIALS A black or brown explosive mixture of potassium nitrate, charcoal, and sulfur; originally, it was made in powder form, now generally in grains of various sizes.
随便看	steady-state wave motion steam steam accumulator steam atomizing oil burner steam attemperation steam bending steam blow steam boiler steam bronze steam calorimeter steam capstan steam cock steam condenser steam cracking steam cure steam cycle steam distillation steam drive steam dryer steam-electric generator steam emulsion test steam engine steam engine indicator steam fog steam gage

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