他们正在经历不寻常的天气，风暴，火山和地震活动。
They are experiencing unusual weather, storms, volcanism, and seismic activity.
新的报告显示，2002年许多地区都遇到了不寻常的天气。
The new report says many areas experienced unusual weather in 2002.
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。
The northern lights result from an unusual weather phenomenon that creates bright colors in the night sky.
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