铁磁的

例句：

1. 1. The magnet is made of iron and has a strong magnetic field.
   这个磁铁是由铁制成的，具有很强的磁场。
2. 2. Iron is the most important element in the Earth's crust.
   铁是地球地壳中最重要的元素。
3. 3. The steel industry relies heavily on iron ore.
   钢铁工业严重依赖铁矿石。