单词	Diplacanthidae
释义	Diplacanthidae plural noun Dip·​la·​can·​thi·​dae ˌdipləˈkan(t)thəˌdē : a family of primitive placoderm fishes (subclass Acanthodii) having two dorsal fins see diplacanthus Word History Etymology New Latin, from Diplacanthus, type genus + -idae
随便看	forsooth forsoother forsoothest forspeak forspeaking forspeaks forspending forspends forspent forspoke forspoken forss Forssman antibody Forssman antigen Forster Forster's tern forsterian forsterite Forstner bit forswear forswearing forswears forswore forsworn Forsyth

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