| 释义 |
anal fin ˈeinəlfin 短语⁸⁴³²⁰⁺⁸
基本例句
臀鳍,臀
Old World freshwater catfishes having naked skin and a longanal finmore or less merged with the eellike caudal fin.东半球的淡水鲇鱼，体表无鳞，有类似鳗鱼尾鳍的很长的臀鳍。
The male shows elongated rays in itsanal finand yellow pearl organs on the jaws and opercula during breeding season.雄鱼的臀鳍鳍条特长，交配季节两颌和鳃盖会长出黄色的珠星。 |