这是有记录以来最严重的水灾。
冬季即将来临，这些山丘对周围的村庄具有毁灭性的威胁，因为大雨不仅会冲走土壤，而且还会引起严重的水灾。
Winter was coming on and the hills threatened the surrounding villages with destruction, for heavy rain would not only wash away the soil but would cause serious floods as well.
人类文明的重点将移向两极，因为那里足够凉快适宜农作物生长，而且会有持续降雨(尽管这会带来严重水灾)。
The focus of civilisation moves towards the poles, where temperatures remain cool enough for crops, and rainfall - albeit with severe floods - persists.
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