Before we close today, I thought I'd mention a biological event that's a part of the transition from winter to spring, something you can go outside and watch if you have some patience.

在今天结束之前，我想我要提到一个生物学事件，它是冬春过渡的一部分，如果你有耐心的话，你可以去外面观察。

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Groundhog day comes around every year on Feb. 2 and marks a pivotal day in the transition from winter to spring.

土拨鼠日大约是每年2月2日，它是从冬天向春天过度的关键标志。

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At the moment of his birth, a bright star lit up the sky, the seasons spontaneously changed from winter to spring, and rainbows appeared.

他出生的时候，一颗明亮的星星照亮了整个夜空，季节自然而然地从冬天转入了春天，并且天空中出现了彩虹。

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Generally,the best time to prune is in late winter, before spring growth starts.

VOA: special.2009.10.06

The Fir Park surface has charted the transition from winter to spring.

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As winter turned to spring the price of a U.S. recession on the Irish betting Web site, Intrade, had gotten as high as 75.

FORBES: Magazine Article

It was for them, as it is for us, difficult, in the dead of winter, to sometimes see spring coming.

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