单词	Hexanchidae
释义	Hexanchidae plural noun Hex·​an·​chi·​dae hekˈsaŋkəˌdē : a family of sharks consisting of many fossil forms and a few living forms that have one dorsal fin and a palatoquadrate which articulates with the postorbital part of the skull Word History Etymology New Latin, from Hexanchus, type genus + -idae
随便看	strenuoussest strep strep throat strepera streperae streperas strepitant strepitations strepitoso strepitous streps strepsi- strepsiceros strepsiceroses strepsicerosses strepsinema Strepsiptera strepsipteral strepsipteran strepsipteron strepsipterous strepsirhinies strepsirhinis strepsitene strept-

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