啭声

例句：

1. 1. The bird's melody is enchanting.
   那只鸟的鸣声很迷人。
2. 2. The cat purrs softly as it sleeps.
   猫轻轻地打着呼噜睡觉。
3. 3. The squirrel chattered happily in the tree.
   松鼠在树上高兴地叽叽喳喳。