您要查找的是不是：
- Some birds are flying in the air. 鸟正在空中飞。
- Some birds are flying. 有些鸟儿正在飞着。
- Birds are flying high up in the air. 鸟儿在高空中飞翔。
- Some birds are in danger of dying away. 有些鸟有灭绝的危险。
- Birds are flying through tree tops. 鸟儿从树顶飞过。
- Some birds are not meant to be caged. 有的鸟儿生来就是自由的。
- Some birds aren't meant to be caged. 有些鸟是鸟笼关不住的
- Birds are flying gaily in the sky. 鸟儿在海天之间展翅飞翔。
- Birds are flying south in search of winter sun. 鸟类南飞以寻找冬季的太阳。
- Some birds are looking for food. 有些鸟在寻找食物。
- A few birds are flying over the sea. 有一些鸟在海面上飞。
- The birds are flying high in the sky. 鸟儿高高地飞翔在天空。
- Many birds are flying in the air. 许多鸟在空中飞翔。
- The birds are flying across the lofty clouds. 鸟儿在高高的云层中飞行。
- Some birds were pecking at the corn. 有几只鸟在啄食谷物。
- The birds are flying south so search for winter sun. 冬季鸟儿南飞寻求阳光。
- Some birds aren't meant to be caged. Their feathers are just too bright. 有些鸟儿注定是无法被牢笼关住的,因为他们的羽翼太光辉了。
- Some birds aren't meant to be caged as their feathers are just too bright. 背景音乐是什么啊？很不错！就是码率低了点，想找个好的。
- The birds were flying about and twittering with delight. 鸟儿四处飞翔，欢快地鸣叫着。
- Some birds aren't meant to be caged, their feathers are just too bright. 真的是很不错，呵呵，楼主的作业很精彩啊，挺有娱乐气息的。
