【释义】
a momentous event, change, or decision is very important because it will have a great influence on the future
重大的，重要的:
【例句】
Momentous events are taking place in the US.
美国正在发生重大事件。
【例句】
His colleagues all recognized that this was a momentous occasion .
他的同事都认识到这是一个重要时刻。
【例句】
one of the most momentous days in British sport
英国体育事业最重要的日子之一
