Alice had learned a lot about growing and shrinking in Wonderland.

爱丽丝在仙境里学到了变大和变的事情。

But exactly why our jaws became smaller is a bit of a mystery.

颌骨变的确切原因仍是一个谜。

A curious fate for a tree that shrunk the world.

这棵让世界变的树的命运很奇怪。

This film is about an everyday couple who agree to make themselves smaller.

这部电影讲述了一对寻夫妻同意将自己变的故事。

The question was why were some bird species shrinking faster than others?

是为什么一些鸟类物种比其他物种变的速度更快？

Getting bored? Is that your normal slang for lazy and making 'em smaller?

无聊了？这是你来形容懒惰和变的俚语吗？

'They 'll kill us when I go small again, ' he said.

“我又变的时候他们会杀死我们的，” 他说。

Since they constantly expand and shrink, it would be hard to do that practically.

由于那些套装总会有被撑大或者收缩变的，所以实际上很难参与正拍摄。

Normally, dividing by smaller and smaller numbers gives you bigger and bigger answers.

，随着除数的变，得到的结果就会变大。

So, making things small is hard.

使事物变是困难的。

As I have grown older I have also grown smaller.

随着我慢慢变老我也慢慢的变。

Yet Africa is also showing signs of embarking on the same transition towards smaller families that has occurred everywhere else.

然而，也如世界其他地区一样，非洲也开始呈现出家庭规模逐渐变的趋势。

" You'll grow small, " said the Bird.

“你会变的， ” 鸟说。

That was when Grandma began to get smaller.

那是奶奶开始变的时候。

Now let's look at ways of making oneself small;making myself small.

现在让我们看看让自己变的方法；让自己变。

Look how you got smaller, coming back.

看看你是如何变的，回来了。

It's possible that it was very slowly on its way out, or that mutations simply hadn't arisen to make it smaller.

可能因为它消失德很慢，或者根本就没有出现使其变的突变。

But the mutant gene doesn't cause the animals to eat less.

但这种变异基因不会让动物的食量变。

People need their services less than before.

相比之前，人类对于动物干活的需求变了。

That can grow and shrink things.

使东西变大变的魔力手电筒。