ferromagnetic bodies

例句：

1. 1.The magnetized iron rod is attracted to the magnet.
   被磁化的铁棒被磁铁吸引。
2. 2.Ferromagnetism is a property of certain materials that can be magnetized.
   铁磁性是一种特定材料的属性，可以磁化。
3. 3. The ferromagnetic material has a strong magnetic field.
   这种铁磁性材料有很强的磁场。