special use

例句：

1. 1. The special use of this tool is to clean the kitchen floor.
   这个工具的特殊用途是清洁厨房地板。
2. 2. The company's new product has a special use for environmentally friendly materials.
   该公司的新产品对环保材料有特殊的用途。
3. 3. The special use of this technology in agriculture is to increase crop yields.
   这种技术在农业中的特殊用途是提高作物产量。