The wet, marshy land produces a large number of insects that provide food for the smaller birds that, in turn, provide food for the arctic fox and the wolf.
英
美
- 这湿润的沼泽地能生出大量的昆虫,这就给小鸟提供了食物。接下来这些小鸟又充作了北极狐和北极狼的食物。