英语翻译

So in October 1915 Einstein threw himself into a mouth-long frantic endeavor in which he returned to an earlier mathematical strategy and wrestled with equations proofs corrections and update that he rushed to give as lectures to Berlin’s Prussian Academy of Sciences on four successive Thursday.
翻译：因此在1915年十月份,爱因斯坦开始了长达一个月的疯狂的努力,重新捡起了早年的数学策略,反复研究了他急于向柏林普鲁士科学院连续4个星期四进行的演讲的有关各种方程、证明、修正和更新.
句型结构：
So in October 1915/ Einstein threw himself into a mouth-long frantic endeavor/ in which (定于从句endeavor) he returned to an earlier mathematical strategy and wrestled with equations proofs corrections and update/ that （定于从句,限定 equations proofs corrections and update） he rushed to give as lectures to Berlin’s Prussian Academy of Sciences on four successive Thursday.