现在，工程师们的仿生对象不仅有狗，还包括长有胡须的鼩鼱，会游泳的七鳃鳗，抓力十足的章鱼，善于攀爬的蜥蜴和穴居蛤。
It is not just dogs that engineers are copying now, but shrews complete with whiskers, swimming lampreys, grasping octopuses, climbing lizards and burrowing clams.
鱼类有通过鳃呼吸的特殊方法。
水生种类的若虫(也称为稚虫)，如蜻蜓，有鳃和其他生活于水中必需的诱发变异。
The nymphs of aquatic species (also called naiads), such as dragonflies, have gills and other modifications for an aquatic existence.
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