您要查找的是不是：
- The bird is building a nest of straw and twigs. 这只鸟在用稻草和小树枝筑巢。
- If the bird is let out of its cage, it will certainly fly away. 如果把鸟儿放出笼子，它肯定会飞走的。
- The bird is blue. 这只鸟是蓝色的。
- The bird is thrashing its wings. 小鸟在拍翅。
- The bird is known by his note,the man by his word. 鸟凭啼啭，人凭语言。
- The bird is now a rare sight in this country. 如今在这个国家，这种鸟已罕见了。
- The bird is too tame now to survive in the wild. 这只鸟养得太温驯了，现在很难在野生环境中生存。
- The bird is looking for the caterpillar everywhere. 鸟儿飞来飞去到处找小毛毛虫。
- Look! The bird is flying in the sky. 看!鸟在空中飞行。
- "The bird is a great help," the old man said. “老鹰真是得力的帮手，”老头儿说。
- The bird is singing on the top of the big tree. 鸟儿正在枝头唱歌。
- The bird is hovering over a mouse. 这只鸟在一只老鼠上方盘旋。
- The bird is known by his note, the man by his word. 鸟凭啼啭，人凭语言。
- The bird is nowc flying quite low. 鸟儿现在飞得非常低。
- My hope revives: the bird is not dead. 我的希望回来了，小鸟没死。
- The bird is now flying quite lof. 鸟儿现在飞得非常低。
- The bird is trying to find food for its broods. 鸟儿在为它的一窝小鸟觅食。
- To scare the bird is not the way to catch it. 把鸟惊了就逮不着了。
- Aim at the head, the bird is almost above us. 瞄准那只鸟的脑袋,它几乎就在我们头顶上。
- It's a fine day today, and the sky is blue. 今天天气很好，天空晴朗无云。
