phosphor powder

例句：

1. 1. Thechemical reaction between the two substances isvery similar to that of ammoniaand phosphorus.
   这两种物质之间的化学反应与氨和磷的化学反应非常相似。
2. 2. The phosphorus powder was used as an additive inthe paint to improve its durability.
   磷酸粉用作油漆的添加剂，以提高其耐用性。
3. 3.The scientist mixed the phosphorus powder withwater to create a solution.
   科学家将磷酸粉与水混合，以产生溶液。