英语词汇“pectoral fin”是什么意思，“pectoral fin”的读音、用法及例句翻译-烛光网

词汇	pectoral fin
释义	pectoral finn.（名词） Either of the anterior pair of fins attached to the pectoral girdle of fishes, corresponding to the forelimbs of higher vertebrates.胸鳍：一对紧附于鱼的环状胸骨的前鳍且与更高等的脊椎动物的前肢相对应的任一个
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