caudal fin是什么意思 caudal fin怎么读
caudal fin的英文翻译是什么意思，词典释义与在线翻译
Noun:- the tail of fishes and some other aquatic vertebrates
caudal fin的用法和样例
用作名词 (n.)
- The lower lobe of the deeply forked caudal fin is longer than the upper lobe.
尾鳍深叉型，下叶比上叶长。 - Old World freshwater catfishes having naked skin and a long anal fin more 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。
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