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.
翻譯：因此在1915年十月份,愛因斯坦開始了長達(dá)一個月的瘋狂的努力,重新?lián)炱鹆嗽缒甑臄?shù)學(xué)策略,反復(fù)研究了他急于向柏林普魯士科學(xué)院連續(xù)4個星期四進(jìn)行的演講的有關(guān)各種方程、證明、修正和更新.
句型結(jié)構(gòu)：
So in October 1915/ Einstein threw himself into a mouth-long frantic endeavor/ in which (定于從句endeavor) he returned to an earlier mathematical strategy and wrestled with equations proofs corrections and update/ that （定于從句,限定 equations proofs corrections and update） he rushed to give as lectures to Berlin’s Prussian Academy of Sciences on four successive Thursday.