| 单词 | heterocercal |
| 释义 | Word Frequency heterocercal(ˌhɛtərəʊˈsɜːkəl) adjective ichthyology of or possessing a tail in which the vertebral column turns upwards and extends into the upper, usually larger, lobe, as in sharks Compare homocercal Word origin C19: from hetero- + Greek kerkos tail |
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