pulverulite

例句：

1. 1. The doctor prescribed a pulverulite to help with digestion.
   医生开了一种粉末状物质来帮助消化。
2. 2. The scientist analyzed the pulverulite in the sample for trace elements.
   科学家分析了样本中的粉末状物质以寻找微量元素。
3. 3. The pulverulite was ground into a fine powder before being mixed with water.
   将粉末状物质磨成细粉后与水混合。