The octopus is a kind of sea mollusk. It has the surprising ability to change the color of its own skin in order to blend into its environment.

• 章鱼是生活在海里的一种软体动物，章鱼有十分惊人的变色能力，它可以随时变换自己皮肤的颜色，使之和周围的环境协调一致。