Before each of their revelations, many thinkers at the time had sustained more ancient ways of thinking, including the geocentric view that the Earth was at the center of our universe.

　　断句：

　　① Before each of their revelations,

　　② many thinkers at the time had sustained more ancient ways of thinking,

　　③ including the geocentric view that the Earth was at the center of our universe.

　　各部分结构：

　　① 时间状语：Before each of their revelations

　　②主语(many thinkers )+ 定语(at the time)+谓语(had sustained)+ 宾语(more ancient ways of thinking)

　　③ 分词短语做状语：including the geocentric view that the Earth was at the center of our universe(其中that the Earth was at the center of our universe是同位语从句，解释view).

　　参考译文：

　　在他们每次作出发现之前，当时很多思想家都保有更古老的思维模式，包括地心说，即地球是我们宇宙的中心。