Researchers have found similar responses in sugar maples, birches and other trees.

And surely he was coming, to the birches through miles.

他一定会来, 来这片白桦林.

Under the hoarfrost the slightest twig of birches is white.

在霜下桦树的最轻微的枝是白色的.

Come here my dear, right here the birches we shall abide.

来吧亲爱的, 来这片白桦林.

To this day the old stump is surrounded by three slim birches.

从这天开始,老树干就被三棵纤细的小白桦围绕着.

Trunks of bare-twigged birches gleamed like worn columns of silver-plated copper.

只剩下光秃秃枝条的树干反着光,像残破的镀银的紫铜支柱.

Do say yes: to that clump of birches at the turn!

说可以吧!就走到转弯地方那丛桦树那儿!

Birches and oaks feathered the narrow ravines.

桦树和橡树密生于狭谷中.

The Nordic birches have long been of special interest.

北欧的桦树很久以来就特别引人注目.

This bird employs its beak as a weapon.

这种鸟用嘴作武器.

The bird spread its wings.

鸟展开翅膀。

I wish I were [ was ] a bird.

但愿我能 变成 一只鸟.

The bird tucked its wings.

小鸟抿着翅膀.

Not far away in the woods, a bird called.

在不远的林子里有一只鸟在叫.

This species of bird now exists only in Africa.

这种鸟现在只存在于非洲.

There's a bird in the tree.

树上有只鸟.

He shot down another bird.

他又击落了一只鸟.

The penguin is a flightless bird.

企鹅是一种不会飞的鸟.

A bird skimmed low over the heather.

一只鸟儿低掠过石南花.

The cat is on the chair trying to get at the bird.

猫在椅子上想逮那只鸟.

Every day, a plane arrives to ferry guests to and from Bird Island Lodge.

每天，都有架飞机来鸟岛宾馆接送客人。