松鼠从树洞里探出头来。

The squirrel peeked out from the tree hole.

树洞里藏着许多秘密。

There are many secrets hidden in the tree hole.

孩子们喜欢在树洞里玩耍。

The children love to play in the tree hole.

我们在森林里发现了一个大树洞。

We found a big tree hole in the forest.

松鼠在树洞里做了一个温暖的巢。

The squirrel made a warm nest in the tree hole.

小鸟在树洞里筑巢。

The bird built a nest in the tree hole.

一些动物长出更厚的皮毛，或者生活在树洞或地下以保持温暖。

Some animals grow thicker fur or live in tree holes or underground to stay warm.

这种方式感觉跟把秘密封藏在树洞里差不多，因此这种帖就被称为“树洞帖”。

It makes them feel just like hiding their secrets in tree holes, that's why it is called tree hole post.

书就像一棵大树，树里有个树洞，每当我难过的时候，只要在树洞里坐坐，我就感到开心和快乐，悲伤而难过一下子就不见了。

Book is like a tree, the tree there was a tree in the hole, when I am sad, as long as the tree hole sit, I will feel happy and happy, sad and sad suddenly disappeared.

我是只蝴蝶自由飞入树洞里。

I was a butterfly flying freely and went into tree's hole.