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单词 pectoral fin
释义

pectoral fin

​noun countable ​biology
UK
Word Forms
singularpectoral fin
pluralpectoral fins
DEFINITIONS1
  1. 1
    a fin on each side of a fish just behind its head that controls the direction it moves in
    Synonyms and related words
    Parts of fish
    fin
    gill
    mandible

pectoral fin

​noun countable ​biology
US
Word Forms
singularpectoral fin
pluralpectoral fins
DEFINITIONS1
  1. 1
    a fin on each side of a fish just behind its head that controls the direction it moves in
    Synonyms and related words
    Parts of fish
    fin
    gill
    mandible
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英语词典包含67175条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　

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更新时间：2026/10/27 17:25:12