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灾变,大变动
meaning in English
cataclysm n. a violent and sudden change or event
Related Words
灾变
灾变论
自然灾变
灾变因子
灾变事件
灾变失效
红外灾变
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灾变预测
灾变物
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灾变、事故
灾变防护计画
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