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	sprue spruer sprues sprug sprugs spruiked spruiker spruikers spruiking spruiks spruit sprung sprung (for) sprung (up) sprung for sprung from sprung hock sprung on sprung rhythm sprung up sprung weight sprung-rus sprunt spry spryer

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