Ptilonorhynchidae

例句：

1. 1.The spider is a predator that feeds on insects.
   蜘蛛是一种捕食昆虫的食肉动物。
2. 2. Ptilonorhynchidae are found in the ocean and can be dangerous to humans.
   海蜘蛛存在于海洋中，对人类可能是危险的。
3. 3.This species of spider has eight legs and is known for its ability to spin webs.
   这种蜘蛛有八条腿，以其织网的能力而闻名。