“black powder”的概念、定义、翻译、参考文献-科学参考

单词	black powder
释义	black powder [¦blak `pau̇d·ǝr] ^MATERIALS A low explosive consisting of an intimate mixture of potassium nitrate or sodium nitrate, charcoal, and sulfur.
随便看	fast ion fast-joint fast line fast neutron fast-neutron spectrometry fast nova fast pin fast powder fast pulsar fast reactor fast sheave fast-spiral drill fast time constant fast time scale fast-vibration direction fat fatal accident fatal error Fata Morgana fat body fat cell fat dye fate map fat embolus father file

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