the total amount of the work that we can get out is just given by the area inside this curve.

能够输出的功就是,我们可以得出来,曲线所包围的面积。

麻省理工公开课 - 热力学与动力学课程节选

The other reason why cells stay together is that they're surrounded by a matrix that's called extracellular matrix.

另一个使细胞凝聚在一起的原因是,它们被,叫做细胞外基质的一种基质所包围

耶鲁公开课 - 生物医学工程探索课程节选