- 释义：
- adj. 重大的；关键的；有影响的
- 例句：
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I am deeply honoured to be invited to this momentous occasion.
能应邀出席如此重要的场合,我深感荣幸.
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The momentous news was that war had begun.
重大的新闻是战争已经开始.
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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。
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