吃透英语课本，提升在校竞争力
n. 鸟；“bird”的复数
All birds have feathers.
所有的鸟都有羽毛。
Mother birds lay eggs.
母鸟会下蛋。
All birds have two wings.
所有的鸟都有两只翅膀。
What will the birds do?
鸟儿们会怎么做？
Many birds cannot find food in the winter.
许多鸟在冬天找不到食物。
Many birds fly from the north to the south in the autumn. They fly back the next spring.
许多鸟会在秋天从北方飞到南方，再在第二年春天飞回来。
We should help the earth now, so birds will have homes and the forests will be healthy and green again.
我们现在应该帮助地球，这样鸟儿就会有家，森林就会恢复健康和绿色。
