名词
中文翻译：铝粉
同义词：
['aluminium powder', 'aluminum oxide powder']
例句：
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1.The chemical reaction is very sensitive to the presence of water.
这个化学反应对水分非常敏感。
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2. The alum powder was used as an additive in the paint.
这种铝粉用作油漆的添加剂。
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3. Alum powder is often used as a catalyst in chemical reactions.
铝粉常用于化学反应中的催化剂。