So essentially, they regulate this action potential, and they do so by helping to establish and then control the voltage gradient within the cells.

总之本质上，它们负责调节动作电位,它们做到这一点通过协助制造,并控制细胞内的电位梯度。

麻省理工公开课 - 化学原理课程节选

And, so, as things are going downhill many people in Paris said look, we must keep fighting, but we must imagine a different world where--we have, we're being betrayed by the provinces that are not helping us, and we need to have help from the provinces.

于是局势日渐危急,许多在巴黎的人说,我们必须战斗,我们要想象出一个全新的世界,有些省份对我们坐视不理,我们被遗弃了,我们需要其他省的援助

耶鲁公开课 - 1871年后的法国课程节选