您要查找的是不是：
- The birds are molting. 看看鸟儿怎样蜕变的吧，如果人类也能蜕变的话该多好，每一年能蜕掉多少罪与过和多少诱与惑啊！
- The birds are hopping about on their perch and twittering. 鸟儿在栖木上跳来跳去，吱吱地叫著。
- The birds are at roost in the trees. 鸟栖息在树枝上。
- The birds are entangled in the coil of a net. 鸟被缠在网圈里了。
- The day breaks, for the birds are singing. 因为鸟在叫。
- The birds were chorusing in the trees. 鸟儿在树上齐鸣。
- The birds are flying high in the sky. 鸟儿高高地飞翔在天空。
- The birds are singing at the edge of the woods. 鸟儿在森林边唱歌。
- Listen! The birds are singing in the tree. 听,鸟儿们正在树上唱歌。
- The bird was petrified as the snake came near. 当蛇爬近时，鸟儿惊呆了。
- The birds are busy catching fish. 鸟在忙着捉鱼呢。
- The birds are calling each other. 鸟儿在互相叫喊。
- The birds are on the wing for warmer countries. 鸟儿展翅飞往较温暖的地方。
- The birds are singing in the trees. 鸟儿在树上歌唱。
- The birds are singing their hearts out. 鸟在欢快地歌唱。
- The birds are trained cormorants. 那些鸟是受过训练的鸬鹚。
- The birds are soaring up and down in the sky. 鸟儿在天空颉颃。
- Day breaks,fro the birds are singing. 因为鸟儿在唱歌了;天可能亮了.
- The birds were entangled in the coils of a net. 鸟被缠在网圈里了。
- The birds were trilling in the treetops. 鸟儿在树梢啭鸣。
