纪录片《长生不老》 26抗衰老的机理

（单词翻译）

The cell cannot deal with

与新细胞相比

damage as well as it could when,

老细胞抵御这种损坏的能力

when it was young.

没那么强

I think that's actually almost the definition

我觉得这大概就是细胞衰老的

of cellular¹ ageing.

原因所在

And why that exactly is, we really don't know.

具体是什么原因呢 我们也不清楚

And that is in a way the real ageing mechanism².

在某种程度上 那就是真正的衰老机理

See how his hands are starting to turn white?

看看他的双手是怎么开始变白的

This is what usually happens when we go out in the cold.

当我们在寒冷的天气外出时 就会这样

Come on, buddy³.

孩子 过来

I don't know how to make sense of it.

我不知道这是怎么回事

I just don't know where to go with it sometimes, you know.

有时 我都不知道该怎么办

I look at my grandchild

我看着我的孙子

and realise he's older than me in his body.

意识到他的生理年龄比我还大

And that little walk we took to the park today

今天 就在我们去公园的路上

tells me I'm getting older now.

我意识到了自己正在不停的衰老

My knees hurt, I have a little arthritis⁴

我的膝盖很疼 我有轻微关节炎

and I have pain in my knees.

我膝盖很疼

But he has it, too.

不过我孙子也有关节炎

To have to see him

眼睁睁的看着他

go through that at five years old, it's like...'

才五岁就要受这种痛苦 就像是

I don't know how to put it in perspective,

我不知道要怎样表达我的心情

it's just hard to put it in perspective,

我会永远疼爱这个小家伙

other than I love the little guy to death.

除此之外 我不知道该说什么