| 单词 | 尾鳍 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔diphycercal〕Having or designating a tail fin in which the vertebral column extends to the tip, with symmetrical upper and lower parts.原形尾鳍的，双尾的：尾鳍上下两片相同或接近相同，脊柱延伸至末端而不上翘的美国传统〔fantail〕Any of a breed of goldfish having a wide, fanlike double tail fin.扇尾金鱼：有宽的扇状双尾鳍的家养金鱼美国传统〔heterocercal〕Relating to, having, or being a tail fin in which the upper lobe is larger than the lower and the vertebral column extends into the upper lobe, as in sharks.歪尾的：（有）上片大于下片、脊椎延伸入上片中的尾鳍的， 与其有关的，如鲨鱼的鳍美国传统〔homocercal〕Relating to, designating, or characterized by a tail fin having two symmetrical lobes extending from the end of the vertebral column, as in most bony fishes.正尾的，等形的：与一种尾鳍有关的或以其为特点的，这种尾鳍有对称的两叶从脊椎一头延伸出来，大多数多骨鱼均如是美国传统〔tail fin〕A fin at the posterior part of the body of a fish, crustacean, whale, or other aquatic animal.尾鳍：鱼、甲壳纲动物、鲸或其它水生动物身体后部的一个鳍美国传统 |
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