"We have seen a dramatic rise [in the number of assault weapons being seized in Mexico.

VOA: standard.2009.04.12

That results in a dramatic change in the membrane voltage; the potential across the membrane and that's shown here by this rapid rise in membrane potential.

变化导致了膜电压的剧烈变化,膜电压就是跨膜的电势差,表现为膜电位的迅速上升

耶鲁公开课 - 生物医学工程探索课程节选