bird's nest

例句：

1. 1. The bird'snest is a popular tourist attraction.
   鸟巢是一个受欢迎的旅游景点。
2. 2. The baby bird was sleepingin its mother's bird'snest.
   小鸟儿正在它的妈妈的鸟巢里睡觉。
3. 3. The old man built hisbird's nest in the tree.
   那位老人在树上建了他的鸟巢。