My tiger lily just sprouted up last year by an act of nature.

我的老虎百合刚刚发芽去年由一个性质的行为。

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It is an act of nature and it grows itself through our collective actions.

它是一个自然之举，于我们集体的行动中成长。

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The eruption was a single act of nature, but it stopped the world in countless ways.

这次的爆发是自然现象的一个单独表现，但是，它的爆发停止了世界上数之不尽的运作。

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And the most important has to do with the nature of the act that leads to the transformation of the human characters.

最重要的一点，是人类听从欲望的驱使,导致了本性的变化。

耶鲁公开课 - 旧约导论课程节选

Well, violations of the law of nature are an act of aggression.

违反自然法是一种侵略行为。

耶鲁公开课 - 公正课程节选

At the inquest in December, the Dorset coroner recorded an accidental death from an "act of nature".

BBC: Charlotte Blackman

L. Mencken is based on the tenet that politics as practiced by boobus Americanus should be viewed as an act of nature, to be dealt with as one would a stormy day.

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Then you have a Congressional hearing starring self-indulgent, preening traders from guilty as hell organizations testifying that they had no idea all this was coming, that it was an act of nature and the reason they did so well was they just know more and therefore still deserve their bonuses.

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