This diagram is supposed to make you think about the intestinal tract, this tube that runs through our bodies and allows us to acquire nutrients from the environment.

这幅图意在,让你们考虑一下肠道,这个贯穿我们身体的管道,使我们能够从环境中吸收营养

耶鲁公开课 - 生物医学工程探索课程节选

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