river mussel
noun
Any of various large freshwater mussels constituting the family Unionidae, especially of the genera Unio and Pseudanadonta.
Origin
Mid 17th century.
| 单词 | river mussel |
| 释义 | river musselnoun Any of various large freshwater mussels constituting the family Unionidae, especially of the genera Unio and Pseudanadonta. Origin |
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