The respiratory organ of most aquatic animals that breathe water to obtain oxygen,consisting of a filamentous structure of vascular membranes across which dissolved gases are exchanged.

 
  • 鳃,大多数水生动物吸取水中氧气的呼吸器官,是由单纤维结的脉管组织膜组成,通过它分解的气体来交换。
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