| 释义 |
Unionidae 'ju:niәnidi:
基本英英例句
珠蚌科¹⁰⁰
Noun:
freshwater mussels found worldwideThe parasitic larva of certain freshwater mussels of the familyUnionidae,having hooks for attaching to the gills or other external parts of a host fish.瓣钩幼虫珠蚌科淡水贝类的寄生幼体，长有钩并用来附着在寄宿主鱼的鳃或其他体外部分。 |