There was no doubt it would be a momentous occasion.

无疑，它将是一个重要的时刻。

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Good manners are very important in a momentous occasion.

在重要的场合有礼貌是很重要的。

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Watching a close buddy walk down the aisle is a momentous occasion.

看着密友走结婚红地毯是个很隆重的场合。

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"This is a momentous occasion in the history of the library, " said Librarian of Congress James Billington.

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He feels it is a momentous occasion and is looking forward to the start of the new age.

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It was such a momentous occasion that Airbus trumpeted the news in a press release the following month.

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