He says caterpillars are renowned for their camouflage skills--imitating the shapes and colors of their surroundings--because little creatures which "have no bristles, no poison and don't move very fast" can only protect themselves by developing ways to conceal or disguise themselves.
顏聖紘說，毛毛蟲以「擬態」﹘﹘模仿所處環境的顏色﹘ ﹘出名，就因為這些身上「無毛、無毒、又跑不快」的小動物，只好發展出隱身術來保護自己。