单词	Pteraspis
释义	Pteraspis noun Pte·​ras·​pis -pə̇s : the type genus of Pteraspidae comprising small ostracoderms in which the dorsal armor is made up of 7 large plates Word History Etymology New Latin, from pter- + -aspis
随便看	motel motels motes motet motets motettists motetus motey moth moth bean moth borer moth fly moth gnat moth gray moth hawk moth hunter moth miller moth mullein moth orchid moth plant moth-eaten moth-midge mothball mothball fleet mothballed

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