磁化

例句：

1. 1. The steel is magnetically attracted to the magnet.
   钢被磁铁吸引。
2. 2. Magnetic fields are important in many scientific applications.
   磁场在许多科学应用中很重要。
3. 3. The iron core is magnetically isolated from the coil.
   铁芯与线圈磁隔离。