river mussel

名词 n.

英文释义

名词 n.
  1. Certain bivalve mollusks of order Unionida, found in flowing fresh water:; especially of genera Unio and Anodonta, both found in rivers of the central U.S. with a shell lined with mother-of-pearl. US
  2. Certain bivalve mollusks of order Unionida, found in flowing fresh water:; species Alathyria jacksoni within the family Hyriidae Australia

词形变化

river mussels plural
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