birds

birds of a feather.

同一种类鸟

Birds mate in spring.

鸟在春天交配。

birds of ill omen.

带来恶兆鸟

birds with colourful markings

有艳丽斑纹鸟

Birds fly in the air.

鸟在空中飞翔。

Birds mate in the spring.

鸟儿在春天交配。

the sound of birds singing

鸟儿歌唱声音

The birds flew upward.

鸟儿向上飞。

Birds incubate eggs.

鸟孵卵。

These birds navigate by the sun.

这些鸟靠太阳确定方向。

the seasonal migration of birds

鸟季节性迁徙

Many birds mate in the springtime.

许多鸟在春天交配。

A Guide to the Birds of Britain and Europe.

英国和欧洲大陆鸟类指南。

the birds rise like brume.

鸟群飞了起来，好似升起一团雾霭。

the researchers set the birds free.

研究人员们把鸟放飞。

juvenile birds with yellow gapes.

黄喙雏鸟。

small birds that prey on insect pests.

捕食小鸟。

the birds rested stilly.

那些鸟静静地休息。

the birds are sunning their wings.

鸟儿在晒翅膀。