sulphur black BRN

例句：

1. 1. Thesulfur black is used in theproduction of fertilizers and pesticides.
   硫黑用于生产肥料和农药。
2. 2.The black sulfur was foundon the ground, making it difficult towalk.
   黑色的硫磺在地上，使得行走变得困难。
3. 3. The blacksulfur was usedas a pigment in the painting.
   黑色的硫磺被用作绘画的颜料。