1. A winglike organ or structure used for flying, as the folds of skin of a flying squirrel or the enlarged pectoral fin of a flying fish. 
   翼状器官用于飞行的象翼一样的器官或结构。如美洲飞鼠皮上的皱褶及文鳐鱼扩大了的胸鳍
2. anglers and batfishes; spiny-finned marine fishes having pectoral fins at the ends of armlike processes and a long movable spine on the dorsal fin to lure prey to the large mouth. 
   鮟鱇和圆燕鱼；鳍呈刺状的鱼类，其胸鳍生于一个臂状突出物的顶端，脊骨生于背鳍之上，较长，可移动，用以将猎物吸引至其大嘴边。
3. Of, relating to, or being the marine teleost fishes of the order Pediculati, characterized by pectoral fins extending from an armlike process and a dorsal fin ray that serves as a lure for prey. 
   柄鳍目鱼的属于、有关或是柄鳍目硬骨海鱼的，以从臂状突起延伸而成的腹鳍为特征且其背鳍骨可作捕杀猎物的诱饵之用
4. A pectoral muscle; the pectoral cavity. 
   胸肌；胸腔
5. The pelvic or pectoral girdle. 
   骨盆带或胸部带

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• 1. 胸鳍
  pectination 梳状...pectoral fin 胸鳍...pectoral 胸的
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• 2. 胸
  pectolite 针钠钙石...pectoral fin 胸...pedal ganglion 足神经节
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• 3. 胸鰭
  性質；特性 character...胸鰭 pectoral fin...胸牆 parapet wall
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• 4. 包括胸鳇/seg>1
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