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单词 vertical fin
释义

Definition of vertical fin in English:

vertical fin

noun
Zoology

  • Any of the unpaired fins in the midline of a fish's body, i.e. a dorsal, anal, or caudal fin.

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    Example sentencesExamples
    • At hatching the larvae are quite advanced with pigmented eyes, well-developed jaws, digestive tracts, and vertical fin folds.
    • But the first thing he saw as he surfaced was not a dolphin but the vertical fin of a great white.

Definition of vertical fin in US English:

vertical fin

noun
Zoology

  • Any of the unpaired fins in the midline of a fish's body, i.e. a dorsal, anal, or caudal fin.

    〔动〕竖鳍

    Example sentencesExamples
    • But the first thing he saw as he surfaced was not a dolphin but the vertical fin of a great white.
    • At hatching the larvae are quite advanced with pigmented eyes, well-developed jaws, digestive tracts, and vertical fin folds.
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更新时间：2025/6/19 0:51:19