just to show you that the idea of

就是要让你们了解利用人工材料
using artificial materials to replace tissues

来替代因各种原因失去的身体组织
that are lost for one reason or another, is not new.

这样的想法由来已久
The one picture here shows a remarkable discovery from a mummy

这张图显示的是某个距今三千年的木乃伊
that is something like 3,000 years old.

在它身上有一个了不起的发现
This particular mummy was a woman who had a toe

这个女性木乃伊
that was amputated for some reason.

因为某种原因被截去了一个脚趾
The toe was replaced by a synthetic--

这个脚趾由一个人工...
well not a synthetic, a natural material,

恩不算是人工是天然材料
fashioned to look like a toe.

制作成脚趾的形状
This is made of wood.

是木制的
Just to acknowledge that

要知道