Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/f71dbde39f10138e869cd1f6ea124d62.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 Unionidae例句_Unionidae英汉例句_Unionidae双解例句_按摩法牛津词典
The parasitic larva of certain freshwater mussels of the family Unionidae,having hooks for attaching to the gills or other external parts of a host fish. 瓣鉤幼蟲珠蚌科淡水貝類的寄生幼躰，長有鉤竝用來附著在寄宿主魚的鰓或其他躰外部分。