云雀之类

例句：

1. 1. The bird's song is a beautiful melody in the spring sky.
   这只鸟的歌声是春天天空中美妙的旋律。
2. 2. The sparrows are chirping happily in the park.
   公园里的麻雀正在高兴地鸣叫。
3. 3. The swift swallows are flying over the fields, searching for food.
   燕子快速地飞过田野，寻找食物。