shell edge造句

However, the sharp shell edges hinder the rolling.
One snake found by the biologists had sliced itself open by gulping down a turtle with razor sharp shell edges.
Young blue stars now highlight areas and shell edges high in current star formation, which from the perspective of observers on Earth appears roughly square.
The ability to clamp down also seals the shell edge against the rock surface, protecting them from desiccation during low tide, despite their being in full sunlight.
It's difficult to find shell edge in a sentence. 用shell edge造句挺难的