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单词 diphycercal
释义
diph·y·cer·cal (dĭfĭ-sûrkəl)
adj.
Having or designating a tail fin in which the vertebral column extends to the tip, with symmetrical upper and lower parts, as in the lungfishes.

[Greek diphuēs, double; see DIPHYODONT + kerkos, tail + -AL1.]

diph·y·cercy (-sûrsē) n.
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