ADJ [usually ADJ n]划时代的;开创新纪元的 An epoch-making change or declaration is considered to be the extremely important because it is likely to have a significant effect on a particular period of time. 划时代的;开创新纪元的
It was meant to sound like an epoch-making declaration.
有意让它听起来像是一个划时代的宣言。
...the epoch-making changes now taking place in Eastern Europe.