Individual cells of the pancreas are capable of - of a healthy pancreas are capable of both sensing glucose and secreting insulin.

每一个健康胰腺细胞,都可以感知血液中葡萄糖浓度,并分泌胰岛素

耶鲁公开课 - 生物医学工程探索课程节选

You need a substance and then that substance has to have a property that changes depending on the heat flow, i.e., depending on whether it's sensing that it's the same temperature or different temperature than something else.

你需要某种物质,它的某种性质,随着热量的流动而改变，也就是说,依赖于它是否感觉到它,与其他的物体处于相同的温度。

麻省理工公开课 - 热力学与动力学课程节选