Now, in the heart action potential is moving from one heart muscle cell to another over the surface of the heart.

心脏中的动作电位,沿相邻心肌细胞在心脏表面传递

耶鲁公开课 - 生物医学工程探索课程节选

This tactile mastery attests to something remarkable that's happened over the course of the poem, somewhere below the surface of the poem, somewhere between the lines.

这种触觉的掌控证明了一些发生在诗歌里的意义非凡的事情,这些事情贯穿诗歌的整体，暗藏在诗歌的表面之下，深埋在字里行间。

耶鲁公开课 - 弥尔顿课程节选