epoch-making

形容词 epoch-making:

1. highly significant or important especially bringing about or marking the beginning of a new development or era
   同义词：epochal

ep.och-mak.ing

adj.（形容词）
So significant and momentous as to characterize the beginning of a period:
开创新纪元的：意义如此之重大以致标志着一个时代的开始：
例句：
the President`s epoch-making trip to China; epoch-making new technologies; an epoch-making architectural work.
总统划时代的中国之行；开创新纪元的新科技；划时代的建筑工程