鸠

例句：

1. 1. The young robins are nesting in the trees.
   年轻的知更鸟正在树上筑巢。
2. 2.The old man often visits the park to see the robins.
   老人经常去公园看知更鸟。
3. 3. The robin is a symbol of spring.
   知更鸟是春天的象征。