heterocercal查询结果如下:
音标:[ˌhetəroʊ'sɜːkəl]
基本释义/说明:adj.【动】歪尾的()
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双语学习资料 :
独上高台望四海 手揽云月傍天飞, 落叶重重已十月 归鸟凄凄啼心扉。
简典
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|adjective|

‘The body shows well-developed paired lateral fins (presumably true pectoral fins), indicating good stability, dorsal and anal fins, and a _heterocercal_ tail (the lower lobe of the tail is elongated).’