pine caterpillars

例句：

1. 1. The pine caterpillars are a common sight in the forest.
   松毛虫是森林中常见的景象。
2. 2.They were trying to catch the pine caterpillars for their dinner.
   他们试图捕捉松毛虫作为晚餐。
3. 3.The pine caterpillars are an important food source for many animals.
   松毛虫是许多动物的重要食物来源。