寻觅鸟巢

例句：

1. 1. The bird was busy searching for a new nest.
   那只鸟正在忙着寻找一个新的鸟巢。
2. 2. The baby squirrel is learning to build its own nest.
   小松鼠正在学习建造自己的巢。
3. 3. The bird flew away with the precious eggs in its mouth.
   那只鸟嘴里叼着珍贵的蛋飞走了。