Those are the lanthanides on top and the actinides on the bottom.

顶部的是素，底部的是锕素。

But the lanthanides on top there.

但是那里的素呢。

All that stuff is made possible by our friends, the lanthanides.

们的朋友素使所有这些东西成为可能。

Halogens, Noble gases, lanthanides or rare earth elements.

卤素、惰性气体、素或稀土素。

Ok, so europium is pretty much in the middle of the lanthanide series.

好的， 因此铕几乎位于素的中间。

And below of course, in the little island of the lanthanides and actinides, your f-orbitals: 4f and 5f.

当然，在下方，在素和锕素的小岛上， 你的 f 轨道：4f 和 5f。