The beginning of March brings some unusual weather, as temperatures rise and rainfall comes with thunderstorms.

三月初的天气不太寻常，温度攀升，降雨还伴随着雷暴。

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The new report says many areas experienced unusual weather in 2002.

新的报告显示，2002年许多地区都遇到了不寻常的天气。

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The northern lights result from an unusual weather phenomenon that creates bright colors in the night sky.

北极光由一种不寻常的天气现象所形成，使黑夜的空中出现明亮的色彩。

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What we know is that, at this moment, unusual weather patterns are a bigger factor affecting some 6.9 billion individuals around the world.

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The unusual weather is being caused by high pressure over Greenland and low pressure in the Baltic states, forcing cold winds across Europe.

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This year's race didn't seem to offer any of the usual sidelights: neither unusual weather nor a surprising American contender nor even the question of trying to figure out whether the Robert Kiprono Cheruiyot of Kenya, who won in 2010, was related to the Robert Kipkoech Cheruiyot of Kenya who had won four times before.

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