南美栗鼠

例句：

1. 1. The little squirrel is playing in the tree.
   那只小松鼠正在树上玩耍。
2. 2. The forest was filled with the sound of chirping birds and rustling leaves.
   森林里充满了鸟儿的鸣叫声和树叶的沙沙声。
3. 3. The squirrels are gathering nuts for the winter.
   松鼠们正忙着收集坚果准备过冬。