n.tropical marine burrowing crustaceans with large grasping appendages
同义词：mantis shrimp
英汉双解大词典
mantis shrimp(alsomantiscrab)
1.
N（名词）
any of various burrowing marine shrimplike crustaceans of the order Stomatopoda that have a pair of large grasping appendages: subclass Malacostraca 螳螂虾; 虾蛄 → see also squilla