ep.och.al
adj.(形容词)Of, relating to, or characteristic of an epoch.开新纪元的:与新纪元或其特征有关的
Highly significant or important; momentous:有重大或重要意义的;极其重要的:例句:epochal decisions made by Roosevelt and Churchill.罗斯福和邱吉尔做出的有重大意义的决定
Without parallel:无与伦比的:例句:epochal stupidity.无与伦比的愚蠢