单词	unio
释义	unio noun ˈyünēˌō 1 capitalized : the type genus of the family Unionidae comprising freshwater mussels that have an oblong shell pearly within and covered without by a greenish or blackish epidermis 2 plural unios -ōz or unionides ˌ⸗⸗ˈänəˌdēz : any mussel of Unio or a related genus unioid ˈ⸗⸗ˌȯid adjective Word History Etymology New Latin, from Latin, a large pearl
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