Limulus polyphemus短语¹⁴⁴⁹⁷²⁺² 基本英英近义反义 医鲎 Noun: large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail; a living fossil related to the wood louse近义词king crab鲎horseshoe crab动 鲎