They're built around the roots of small trees which anchor them as water levels rise.

巢穴就建在树周围，当水位上升时树就会将巢穴固定住。

Imagine two big trees surrounding a little tree.

想象两棵大树围着一棵树。

He was now in a small thicket of trees.

他现在是在一片树林里。

And excellent place to build a tiny tree house for a harvest mouse.

非常适合建造树屋供巢鼠居住。

A spider has put on its web among a small branch.

一只蜘蛛把网布在树枝上。

Because of this, the young trees have a difficult time surviving.

正因为如此，这些树很难存活下来。

The trail that cut across the woods was often trodden.

横穿树林那条径常有人走。

He lived in the midst of a grove full of all kinds of trees.

他住在一片茂密树林里。

One small tree grew on the island, and there were rocks and ferns and grasses.

岛上有棵树，还有岩石，蕨草和青草。

There was also disease and bad weather that killed the young trees.

还有和恶劣天气也会造成树死亡。

And from the acorn grew the mighty oak.

树苗总有一天长成参天大树。

Together, we went down to some trees by the river.

我们一起来到下游方向河边树林。

Don't wander too far in the woods

别在树林走太远。

They are considered shrubs or small trees and can grow as tall as 13 feet.

它们就像灌木或树，可以长到13英尺。

Also it may have kept to the ground and even knocked over small trees.

而且他们可能在地上生活，甚至能撞倒树。

This is another one from the woods.

这是在树林里另一幅画。

No although they can damage some small trees where they lay their eggs.

不危险，尽管它们会在产卵时损害一些树。

Notice here I've put a little-- silly little tree up here.

注意这里我画了一个树状图画得挺傻。

He walked over to some small trees. They were covered with snow.

他朝一些树走去。那些树都被雪盖住了。

They had only grass and twigs from bushes, but no trees.

他们只有草和灌木丛里树枝，没有树木。