This means that the magnetic North Pole changes place with the magnetic South Pole.

这意味着磁北极的变化与南极磁场发生。

youdao

Well, with a lot of money, you can cut even the atom into to subatomic particles: protons, neutrons and electrons, but even these little magnets still always have one North and South magnetic pole.

好吧，如果你有很多钱，你甚至可以把原子分成一些亚原子粒子：质子、中子和电子，但即使是这些小磁体，也还是有南北磁极。

youdao

Earth is a very large magnetic field, the magnetic field lines from the North Pole, the Earth's surface into the South Pole.

地球是一个无比巨大的磁场，其磁力线由北极出来，经地球表面而进入南极。

youdao

Tackling the real North Pole is estimated to take at least four times as long as the magnetic pole, which, at present, is considerably further south.

BBC: Sir Ranulph Fiennes: Up the Pole