So this sort of structural repetition creates a crescendo that leads then to the finaland most devastating plague which is the slaughter of the Egyptian firstborn sons.

所以这种结构上的反复，创造了一种渐渐加强的效果,最终到了最后一个，也是最具毁灭性的瘟疫,对埃及人长子的屠杀。

耶鲁公开课 - 旧约导论课程节选