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.

因为指南针指针是有性，所它极吸引。地球极在北极和南极附近，那里力最强。

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永久化，但它还是会吸引。

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.

一个用来化物质， 从而创造出一种可打印成任何形状性材料。而且， 在打印过程中可改变方向。