propodosoma

例句：

1. 1.The propodosoma is a unique structure found in many species of spiders.
   这种结构在许多蜘蛛种类中都存在。
2. 2. The propodosoma is responsible for the spider's ability to spin webs and catch prey.
   这种结构使蜘蛛能够织网捕食。
3. 3. The propodosoma is an important part of the spider's nervous system, allowing them to navigate and communicate with their environment.
   这种结构是蜘蛛神经系统的重要组成部分，使它们能够导航和与环境进行交流。