One can imagine that when they're inside this tube here, they're still really outside the body.

你可以想到当食物在肠管的时候,实际上还是处在体外的

耶鲁公开课 - 生物医学工程探索课程节选

And not just a camera but there are also tools on the end of these things so you can cut and you can do manipulations through this instrument.

除了摄像头外,在关节镜的末端还有其他的器械,你可以体外操纵这些器械进行切割等操作

耶鲁公开课 - 生物医学工程探索课程节选

Must there be something outside the body that controls the body?

一定有某种物质在体外操控我们的躯体吗

耶鲁公开课 - 死亡课程节选

Now one of the new technologies that's evolving, that we're going to talk about in the last half of the course, is taking cells that have been propagated in this way outside the body and encouraging them to form new tissues.

现在,与此相关的新技术正在蓬勃发展,我们将在这学期的后半部分讨论到它,这项技术,让细胞在体外增殖,并促使它们形成新的组织

耶鲁公开课 - 生物医学工程探索课程节选