那一天已经过去20年了，我自己也已经是一个外科医师了，但是，我从没失去对人类身体的好奇感。
It's been nearly 20 years since that day, and now I'm a surgeon myself. But I have never lost my sense of wonder at the human body.
专业于器官移植的外科医师通常有一个宏愿，也许有一天，我们能客制化的订制到替换用的人体器官。
The great hope of transplant surgeons is that they will, one day, be able to order replacement body parts on demand.
人们希望有一天这样的机器人可以帮助心外科医师去除损伤的组织，甚至不必使心脏停止跳动就可以将干细胞直接注入心脏。
It is hoped that one day such robots will help heart surgeons remove damaged tissue or even inject stem cells directly into the heart without having to stop it beating.
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