epochmaking

adj.划时代的,极重要的

划时代的；开创性的；具有里程碑意义的

形容词

1. The discovery of electricity was an epoch-making event in human history.
电的发现是人类历史上的一个划时代事件。

2. The invention of the internet has had an epoch-making impact on communication and information sharing.
互联网的发明对于沟通和信息传播产生了开创性的影响。