| 单词 | heterocercal | 
| 释义 | heterocercaladjective  het·ero·cer·cal  ˌhe-tə-rō-ˈsər-kəl  1  of a fish tail fin   : having the upper lobe larger than the lower with the vertebral column extending into the upper lobe   2   : having or relating to a heterocercal tail fin   | 
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