Body plan of a generalized insect. The body is usually divided into a head...Any member of the class Insecta, the largest arthropod class...

• 地球动物篇/无脊椎动物（原生、海绵、空肠、扁形、线形、环节、软体、节肢）-中文/英文-2005/7/27-相关资料