海兔和海蛞蝓是近亲，本身是一种无壳的软体动物，其身体能发出存在于自然界中大多数颜色鲜亮的光芒。
Related to sea slugs, nudibranchs are shell-less mollusks that display some of the most vibrant colors found anywhere in nature.
海兔和海蛞蝓是近亲，本身是一种无壳的软体动物，其身体能发出存在于自然界中大多数颜色鲜亮的光芒。
Related to sea slugs, nudibranchs are shell-less mollusks that display some of the most vibrant colors found anywhere in nature.
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