carapace GRE

1.small freshwater crustaceans with a shield-shaped carapace

长有盾牌甲壳的小型淡水甲壳动物

2.D. frascone's fourth and fifth pairs of pereiopods on the carapace have hooked ends and therefore enable them to carry things.

位于背甲上的第四对及第五对步足，末端 呈钩，使疣面关公蟹具有携物之。