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1·The birds sang, the bees hummed.

鸟儿唱歌，蜜蜂蜂鸣。《柯林斯英汉双解大词典》

2·The birds infect the milk.

鸟使牛奶受污染。《柯林斯英汉双解大词典》

3·The birds nibble at the brickwork.

鸟儿们啄着砖墙。《柯林斯英汉双解大词典》

4·The researchers set the birds free.

研究人员把鸟放了。《牛津词典》

5·The birds took fright and flew off.

鸟受惊飞走了。《牛津词典》

6·The birds were singing outside my window.

鸟儿在我窗外啼啭。《牛津词典》

7·We looked at the birds through binoculars.

我们用双筒望远镜观鸟。《牛津词典》

8·We watched the birds skimming over the lake.

我们看着鸟儿贴着湖面飞过。《牛津词典》

9·The birds build their nests in the rock face.

这些鸟在岩壁上筑巢。《牛津词典》

10·During the breeding season the birds come ashore.

在繁殖期鸟儿们上岸。《柯林斯英汉双解大词典》