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

巢穴就建小树的根部周围，当水位上升时小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小树。

He enjoys taking care of the little tree so much.

他非常喜欢照顾这棵小树。

He was now in a small thicket of trees.

他现是一片小树林里。

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

一只蜘蛛把小树枝上。

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

正因如此，这些小树很难存活。

The trail that cut across the woods was often trodden.

横穿小树林的那条小径常有人走。

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

岛上有棵小树，还有岩石，蕨草和青草。

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

还有疾病和恶劣天气也会造成小树死亡。

And from the acorn grew the mighty oak.

小树苗总有一天长成参天大树。

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

我们一起到游方向河边的小树林。

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

它们就像灌木或小树，可以长到13英尺。

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

而且他们可能地上生活，甚至能撞倒小树。

This is another one from the woods.

这是小树林里的另一幅画。

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

不危险，尽管它们会产卵时损害一些小树。

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

注意这里我画了一个小树状图画得挺傻的。

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

他朝一些小树走去。那些树都被雪盖住了。

Or, would you like to see an acorn grow into a little oak?

还有, 你想不想看见一颗橡子长成一棵小树?

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

他们只有草和灌木丛里的小树枝，没有树木。

Instead, they have some small trees and many native plants.

取而代之的是，他们种了一些小树和许多本土植物。