中央电视台“正大综艺”节目中有一句常用语：“不看不知道，世界真奇妙。”这话一点不假。甭说别的，单说自然界中的各类动物的生存方式，就是千姿百态，千差万别，奥妙无穷。一般的动物，它的皮肤和毛发的颜色是不能改变的。但是，有一种小动物，它的皮下有许多色素块，能够 There is a common phrase in CCTV’s “Zhengda Variety” program: “You don’t know, the world is wonderful.” This is true. When you say something else, simply saying that the various species of animals in the natural world are living in a variety of ways is very different, and it is infinitely subtle. In general animals, the color of their skin and hair cannot be changed. However, there is a small animal with many pigmented pigments under its skin.