This is one very large crater. Geologists love craters, because craters are like digging a big hole in the ground without really working at it, and you can see what's below the surface.
这是一个大陨石坑。地质学家喜欢陨石坑， 因为陨石坑就像是凭空在地上挖个大坑。 因为陨石坑就像是凭空在地上挖个大坑。 您可以看到地表以下。