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，但它还是会被场吸引。

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.

因为指南的指是有性的，所以它被极吸引。地球的极在北极和南极附近，那里力最强。

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.

场用物质， 形成一种可以打印成任何形状的性材料，并且场的方向可以在打印过程中改变。