名词
中文翻译：硝酸粉末
同义词：
['nitrous oxide powder', 'nitric acid powder']
例句：
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1. This is aspecial type of nitropowder used in fireworks displays.
这是一种用于烟花表演的特殊硝酸粉末。
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2. The scientist mixed the nitropowder with water to create a powerful gas.
科学家将硝酸粉末与水混合，制成了一种强大的气体。
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3. The explosion was caused by the sudden release of nitropowder stored in the air raid shelter.
这场爆炸是由于储存在空袭避难所的硝酸粉末突然释放造成的。