ferroalloy

例句：

1. 1. The alloy is used in the production of high-strength steel.
   这种合金用于生产高强度钢。
2. 2.The researchers found that the alloy had a higher strength than the traditional material.
   研究人员发现，这种合金的强度比传统材料更高。
3. 3. The alloy was used as an alternative to cast iron in some applications.
   这种合金在某些应用中被用作铸铁的替代品。