问题描述:
john snow defeats king cholera复述
(要用上以下单词:outbreak,cholera,severe,john snow,the theories,investgation,mark,on the map,polluted,water,pump,handle,defect
用英文复述
(要用上以下单词:outbreak,cholera,severe,john snow,the theories,investgation,mark,on the map,polluted,water,pump,handle,defect
用英文复述
问题解答:
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