含镍的

例句：

1. 1. Nickel is a precious metal used in jewelry and electronics.
   镍是一种珍贵的金属，用于珠宝和电子产品。
2. 2.The nickel-iron alloy is stronger than steel but lighter.
   镍铁合金比钢更坚固但更轻。
3. 3.Nickel is often used as an additive to improve the strength of steel.
   镍常被用作钢铁的添加剂以提高其强度。