节肢动物

The results indicated that there were twelve groups of soil fauna, Arthropoda,Mollusca,Annelida etc.

土壤有节门、软体门、环节门等12个目或类。

A jawlike appendage of an arthropod.

包括在节一族；小蜂科之蜂。

6 The insect nervous system is similar to that of other arthropods. Sensory structures include tympanal organs, compound eyes, and ocelli.

昆虫神经系统与其它节神经相似，感觉结构包括听器、复眼、和单眼。