caudal fan的用法和样例:
例句
- 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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