英语词汇coconut crab的起源、历史背景-英语词源词典

coconut crab; robber crab. The large robber crab or coconut crab (Birgus latro) of the Pacific islands is closely related to her- mit crabs, but has given up carrying a portable dwelling and developed a permanent hard-plated shell. Called the coconut crab because it climbs palm trees to get the fruit, it is named the robber crab for an entirely different reason. After chasing an- other crab, Cardisoma, into its hole in the ground, the robber crab threatens to enter. When Cardisoma thrusts out its big claw to guard the entrance, the robber crab seizes it, twists it off, and scuttles off to enjoy a gourmet feast.

词汇	coconut crab
词源	coconut crab; robber crab. The large robber crab or coconut crab (Birgus latro) of the Pacific islands is closely related to her- mit crabs, but has given up carrying a portable dwelling and developed a permanent hard-plated shell. Called the coconut crab because it climbs palm trees to get the fruit, it is named the robber crab for an entirely different reason. After chasing an- other crab, Cardisoma, into its hole in the ground, the robber crab threatens to enter. When Cardisoma thrusts out its big claw to guard the entrance, the robber crab seizes it, twists it off, and scuttles off to enjoy a gourmet feast.
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