To explain, I'd like to share my reasons behind this unusual change of mind.

为了解释，我想分享一下我为什么会有这种不寻常的思想变化。

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A common theory for this unusual phenomenon is that the lemmings do not realize that the ocean is such a huge body of water.

对于这种不寻常的现象，一个普遍的理论是，旅鼠没有意识到海洋是如此巨大的一片水域。

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This unusual configuration of symmetrical cutter claws did not change when the lobsters were subsequently placed in a manipulatable environment or when they lost and regenerated one or both claws.

当龙虾随后被放置在一个可操纵的环境中，或者当它们失去一个或两个爪子后再生时，这种不寻常的对称刀状爪子的结构并没有改变。

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We attended this year's United States Air Guitar Championships in Washington,D.C.to learn more about this unusual activity.

VOA: special.2009.08.14

This was a pretty unusual objective for a company with no capital and with no people and no anything.

通常一个公司不会定这样的目标,如果没钱，没人，一无所有。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

But before I get started, I have to point out something a little bit unusual about this class We're being filmed.

但在我开始之前,我要告诉大家这个课程的一点特别之处,我们会被录像

耶鲁公开课 - 心理学导论课程节选

In the hours after this unusual gamma-ray burst was discovered, astrophysicists rushed to learn more.

CNN: Why gamma-ray burst shocked scientists

This unusual startup, no more than five years old, had achieved double digit year over year growth.

FORBES: A Tiger By The Tail: From $10M To $100M--The Steps To Meteoric Business Success

It's fantastic that Paramount has chosen to mark the hour by dimming their lights at this unusual light display.

ENGADGET: Quadrocopter fleet stuns Londoners with giant hovering Star Trek logo (video)