If there were no voltage on the plates, we would expect everything to be over here in some negative value falling.

如果板子上没有速度，这些可能都在这,都是负值下降的。

麻省理工公开课 - 固态化学导论课程节选

If there is no charge on the plate, these droplets will simply fall under gravity.

如果在板子上没有电荷，这些液滴就只会由于重力掉下。

麻省理工公开课 - 固态化学导论课程节选