So inside the cell mostly water, outside the cell mostly water, but I need to separate my water from the water outside.

那么细胞内大多是水,细胞外大多也是水,但我需要将体内的和体外的水隔离开

耶鲁公开课 - 生物医学工程探索课程节选

We talked last time about extracellular matrix and this complex protein-carbohydrate gel that surrounds all cells.

我们上次谈到过的细胞外基质,是一种蛋白和碳水化合物的复合物胶冻,它环绕在细胞周围

耶鲁公开课 - 生物医学工程探索课程节选

The problem it solves for the cell is how to do I make a barrier around myself to define what's in me and what's outside of me when most of what's around me and what's in me is water.

它为细胞解决的问题是,当我体外和体内大部分都是水情况下,我怎样在自己周围设置一个界线,来区分什么是体内的,什么是体外的

耶鲁公开课 - 生物医学工程探索课程节选