Robert Frank once made this comment about his work: "I am always looking outside, trying to look inside, trying to say something that is true.

VOA: special.2009.03.23

Arthroscopic surgery in one sense is a fancy example of that, a way of looking inside a joint to see what's happening inside while the person is alive and without hurting them.

关节镜手术就是一个极佳的例子,使用该技术我们可以一窥关节内部,而不影响病人的生命,也不会过分痛苦

耶鲁公开课 - 生物医学工程探索课程节选

Interestingly,and somewhat more surprisingly, looking at it from the inside,we won't be able to tell either.

很有趣地，同时也很让人惊讶地，从内部设身处地观察，我们也找不出答案。

耶鲁公开课 - 死亡课程节选

We've gotten, over the last two decades in particular, very sophisticated about taking pictures inside the body allowing doctors to look inside the body and predict things about our internal physiology that they couldn't predict just by looking at us or putting their hands on us.

特别是在近二十年当中,我们对体内造影已经十分熟悉,它使医生能够看到身体内部,并预测我们体内的生理变化,而仅仅是通过,视诊或者触诊是不能预测这些变化的

耶鲁公开课 - 生物医学工程探索课程节选

Physicians over the years of having this instrument have learned how to be very sophisticated about looking at these pictures and diagnosing when something is wrong inside the chest, for example.

这些年来,使用这类设备的医生,已经熟练地掌握了,通过看这些X光片,来诊断,胸部疾病的方法

耶鲁公开课 - 生物医学工程探索课程节选