美国北方地区天气恶劣。冬天天寒地冻的时候，还起龙卷风，不被风刮死，也被冻死。

来源: tzbcwbc 于 2013-11-18 12:59:03 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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