Swimmeret
[swimәret]
解释:
(noun.) one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming.
手打:奥齐--From WordNet
解释:
(n.) One of a series of flat, fringed, and usually bilobed, appendages, of which several pairs occur on the abdominal somites of many crustaceans. They are used as fins in swimming.
狄伦编辑