One is the magnetic pointer which shows the direction of the magnetic north.

一个是显示磁北方向的磁指针。

You can think of the Earth as a giant bar magnet, where the magnetic field lines go from magnetic north to south.

您可以将地球想象成一个巨大的磁棒，磁力线从地磁北向南延伸。

If we were to interpret the quote using the magnetic north compass, Shakespeare means something along the lines of weathering all storms on your voyage through life together as a couple.

如果我们用磁北罗盘来解释这句话，莎士比亚的意思是，作为一对夫妇一起度过人生旅途中的所有风暴。