知更鸟

例句：

1. 1. The robinsare singing their sweet songs in the park.
   知更鸟们在公园里唱着美妙的歌曲。
2. 2. The thoraxes of thebirds are unique and fascinating.
   鸟类的胸骨独特且引人入胜。
3. 3. Therobins are known for their brightred breast feathers.
   知更鸟以其鲜艳的红胸脯羽毛而闻名。