By taking advantage of each shark's unique pattern of skin spots.

他们利用每只鲸鲨皮肤斑点的独特图案来进行记录。

Freckles are usually harmless, but some skin spots can be cancerous – connected to cancer.

雀斑通常是无害的，但一些皮肤斑可能会致癌——与癌症有关。

She admired the spotted leopard skin that circled his lithe body from one shoulder to his knees.

她欣赏着他柔软的身体从一个肩膀到膝盖的斑点豹皮。