铁丹

例句：

1. 1. He was given a piece of ironas punishment for his misdeeds.
   因为他的过错，他被给予了一块铁作为惩罚。
2. 2. The iron oxide is used inthe production of steel.
   氧化铁用于钢铁生产。
3. 3.Iron is a very useful metal that canbe shaped and formed into many different objects.
   铁是一种非常有用的金属，可以被塑造和形成成许多不同的物体。