窝巢

例句：

1. 1. The bird flew to its nest in the tree.
   这只鸟飞到了它的窝里。
2. 2. The baby bird is sleeping in its mother's roost.
   小鸟儿正在妈妈的窝里睡觉。
3. 3. The bird was nestled safely in its cozy nest.
   这只鸟安全地藏在它舒适的窝里。