I hate to see birds in cages.

我不喜欢看到鸟在笼子里。

Two birds settled on the fence.

两只鸟落在篱笆上。

The birds sang, the bees hummed.

鸟儿唱歌，蜜蜂蜂鸣。

Both birds had a dark blue crest.

两只鸟都长着深蓝色的羽冠。

Birds wheeled above us in the sky.

鸟儿在我们上空盘旋。

Most birds are monogamous.

大多数飞禽都是单配性的。

The birds infect the milk.

鸟使牛奶受污染。

The birds nibble at the brickwork.

鸟儿们啄着砖墙。

The researchers set the birds free.

研究人员把鸟放了。

Small birds live mainly on insects.

小鸟主要靠食昆虫为生。

The birds took fright and flew off.

鸟受惊飞走了。

Migrant birds shelter in the reeds.

候鸟隐蔽在芦苇丛中。

Migrating birds filled the pale sky.

迁徙的鸟布满了灰白的天空。

I have kept birds for some 30 years.

我养鸟大约有三十年了。

Snow geese are very gregarious birds.

雪雁是种群居的鸟类。

The baby fish are easy prey for birds.

这些小鱼很容易被鸟类捕食。

The birds were singing outside my window.

鸟儿在我窗外啼啭。

We looked at the birds through binoculars.

我们用双筒望远镜观鸟。

Naomi would waken to the twitter of birds.

娜奥米会被鸟儿吱吱喳喳的叫声吵醒。

Most foods that we eat are safe for birds.

我们吃的绝大部分食物对鸟类是安全的。

She awakened to the sound of birds singing.

她醒来听到鸟的叫声。

The sun was shining and birds were singing.

阳光照耀，鸟儿啼啭。

Many birds didn't survive the severe winter.

很多鸟死于这次严冬。

The cat was on the wall, watching for birds.

那只猫在墙上伺机捕捉鸟儿。

We watched the birds skimming over the lake.

我们看着鸟儿贴着湖面飞过。

Many birds have a remarkable homing instinct.

很多鸟类具有了不起的返回原地的本能。

Birds feed on nuts and berries in the winter.

鸟类靠坚果和浆果过冬。

The birds build their nests in the rock face.

这些鸟在岩壁上筑巢。

The cuckoo lays its eggs in other birds' nests.

杜鹃在其他鸟的巢中产蛋。

The sound was not unlike that of birds singing.

这声音有点像鸟鸣。