I was in a metallic bond in high school, but anyway, that's a subject for another video.

我在高中时有过金属情结，但无论如何，这是另一个视频的主题。

Now the last bond we can talk about, and I've touched on this a little bit, is the metallic bond.

现在我们可以谈论的最后一个键是金属键，我已经略微谈到了这一点。