单词	Donacidae
释义	Donacidae plural noun Do·​nac·​i·​dae dōˈnasəˌdē : a family of marine bivalve mollusks (suborder Tellinacea) comprising the wedge shells that are especially abundant in warm shallow seas see donax Word History Etymology New Latin, from Donac-, Donax, type genus + -idae
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