单词	Potamogetonaceae
释义	Potamogetonaceae plural noun Pot·​a·​mo·​ge·​to·​na·​ce·​ae : a family of aquatic herbs (order Naiadales) having floating or submerged leaves, simple flowers without a perianth, and a fruit like a nut or a drupe potamogetonaceous ¦⸗⸗⸗¦⸗⸗¦nāshəs adjective Word History Etymology New Latin, from Potamogeton, type genus + -aceae
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