全部

1·Not long ago, he found that the bluebirds were nesting in the dead trees which were often cut down, so he began to make bluebird boxes for the birds in order to save them.

不久前，他发现蓝知更鸟在枯树上筑巢，而这些枯树往往会被人们砍去，于是他开始为这些鸟制作蓝知更鸟箱，以拯救它们。

2·Bluebird fell from her branch.

蓝鸟从她的树枝上摔落。

3·One of them is the bluebird.

其中一个是蓝鸟。

4·All day, Bluebird ate bugs.

整个白天，蓝鸟在吃虫子。

5·Owl and Bluebird became good friends.

猫头鹰和知更鸟成了好朋友。

6·All day, Bluebird flew.

整个白天，蓝鸟在飞。

7·Have you ever seen an owl or a bluebird?

你看到过猫头鹰或蓝知更鸟？

8·Owl helped Bluebird move into her new home.

猫头鹰帮助蓝鸟移到她的新家。

9·Thieves seize skis. The blue bluebird blinks.

小偷抓住了滑雪板。蓝色的知更鸟在眨眼。

10·All day, Owl slept. All night, Bluebird slept.

白天，猫头鹰在睡觉，晚上，知更鸟睡觉。