Question

momentous adj.重大的;重要的;

Accepted Answer

英[məˈmentəs]  美[moʊˈmentəs] ADJ-GRADED重大的;关键的;有影响的If you refer to a decision, event, or change as momentous, you mean that it is very important, often because of the effects that it will have in the future.例：...the momentous decision to send in the troops...派遣部队的重大决定例：The past three years have been among the most momentous in world history.过去的3年是世界历史上最重要的时期之一。

单词	momentous
音标	英[məˈmentəs] 美[moʊˈmentəs]
解释	adj.重大的;重要的;
例句	ADJ-GRADED 重大的;关键的;有影响的 If you refer to a decision, event, or change as momentous, you mean that it is very important, often because of the effects that it will have in the future. 例：...the momentous decision to send in the troops...派遣部队的重大决定例：The past three years have been among the most momentous in world history.过去的3年是世界历史上最重要的时期之一。
变形

Momentous 英[Məˈmentəs 美[Moʊˈmentəs Adj.重大的;重要的 Adj Graded 重大的;关键的;有影响的 Refer Decision