1. Each sclerite in the exoskeleton of the insect provides protection and support.
昆虫外骨骼中的每个硬板提供保护和支持。

2. The sclerites of the crab's carapace are fused together to form a rigid shell.
螃蟹甲壳的硬板被融合在一起形成坚固的壳。