They form the giant plates on the back of the stegosaurs.

它们在剑龙的背上形成巨大的板块。

As you can see, the lava cooling on the surface and forming crustal plates. It's fascinating science happening right in front of our eyes.

正如你所看到的，熔岩在地表冷却并形成地壳板块。神奇的科学现象就在我们眼前发生。