This rare event is probably a case of reversion to the longlost, abriginal instinct of nidification.

这稀有的事实, 也许是它们久已失去的造巢育雏的本能之重现.

辞典例句

This is a rare event.

这是一难得的盛会.

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Walking long distances was not a rare event and was seen as an enjoyable activity.

那时,长距离的步行并不稀奇,反而被当作一种享受和乐趣.

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Sending out newsletters will be a very rare event - primarily because it is a big pain.

另外,我们并不会经常发送这样的邮件通讯.

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CSMT - induced cervicothoracic epidural hematoma, such as the one we describe here , is an extremely rare event.

CSMT引起如本病例的颈胸椎硬膜外血肿是很少见的.

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Malfoy had even finished a whole meal, a rare event and usually cause for rejoicing.

Malfoy甚至 吃完了整顿饭, 这可真是件希罕事,通常会这样都是因为高兴.

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