Though oxygen cannot be magnetised permanently in the way that elements like iron can, it is attracted by magnetic fields.

氧气虽像铁那样被永久磁化，但它还是会被磁场吸引。

Because the needle of a compass is magnetised, it's attracted to the magnetic pole – the points near the North and South Poles where the Earth's magnetic field is concentrated.

因为指南针的指针是有磁性的，所以它被磁极吸引。地球的磁极在北极和南极附近，那里磁力最强。

A magnetic field is used to magnetise the substance creating a magnetic material that can be printed into any shape And, the direction of the magnetic field can be changed during printing.

一个磁场被用来磁化物质， 从而创造出一种可以打印成任何形状的磁性材料。而且， 在打印过程中可以改变磁场的方向。