momentous

重要的；重大的英释中释adja momentous event, change, or decision is very important because it will have a great influence on the future

1 a momentous decision.重大决定

2 Momentous events are taking place in the US..美国正在发生重大事件。

3 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。

4 one of the most momentous days in British sport.英国体育事业最重要的日子之一