问题描述：
请帮我解释一下from which在这句话中的用法?
The floods were a cataclysm from which the local people never recovered.
经历了这场特大洪水,当地人民元气大伤,很难恢复.
请帮我分析下着个句子的语法结构吧 ···
The floods were a cataclysm from which the local people never recovered.
经历了这场特大洪水,当地人民元气大伤,很难恢复.
请帮我分析下着个句子的语法结构吧 ···
问题解答：
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