Planet Earth is like a giant magnet.

地球就像一块巨大的磁铁。

Here's what we do know: Earth itself is like a giant magnet.

地球本身就像一个巨大的磁铁。

The Earth has a molten iron core that rotates quickly, turning it into a giant magnet.

地球有一个快速旋转的熔融铁核，把地球变成了一个巨大的磁体。

Gravity is not a force pulling us towards the centre of the Earth like a giant magnet.

引力并不像那种把我们拉向地心的巨大磁铁的吸力。

Are we going to mine all that metal, or build a giant space magnet?

我们是要开采所有的金属，还是要建造一个巨大的太空磁铁？

Since 2003, the Pirates of the Caribbean franchise has been a giant money magnet for Walt Disney Studios and producer Jerry Bruckheimer.

自2003年开始。由杰瑞·布洛克海默制作的《加勒比海盗》电影系列就成为了华特迪士尼制片厂的摇钱树。

Because Earth behaves like it has a giant bar magnet in it, and your compass needle will point north towards Earth's magnetic pole.

因为地球的内部就像有一个巨大的条形磁铁，而你的指南针会向北指向地球的磁极。

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。

Magnetism is still a pretty mysterious force to physicists, but what we do know for sure is that a compass works because the Earth is this giant magnet.

对物理学家来说， 磁力仍然是一种相当神秘的力量，但我们可以肯定的是， 指南针是有效的， 因为地球就是这个巨大的磁铁。