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，所以被磁。地球的磁在北和南附近，那里磁力最强。

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

氧气虽然不能像铁那样被永久磁，还是会被磁场。

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。