Rock really comes forth not so much in twos but in fours we'll call this a 4/4, and you caso we'll call this a 4/4 and you can beat a four pattern to it or you can beat a two pattern.

摇滚乐都是四拍子,不是二拍子,是四拍子,我们称为四四拍,你可以作为四拍子,也可以作为两拍子来打节拍

耶鲁公开课 - 聆听音乐课程节选

But once in awhile, one of these plus twos comes in almost on axis, and it gets whipped around by the Coulombic repulsive forces.

但是偶尔一个带两个正电荷的粒子,以接近于轴的位置进入，会快速的移动到周围,由于库仑斥力的作用。

麻省理工公开课 - 固态化学导论课程节选

So, I've got plus twos, zooming in at high energy against a wall of positive charge.

两个高能的正电荷,在正电荷壁垒时会遇到阻力。

麻省理工公开课 - 固态化学导论课程节选