never purify
从来没有净化
以上为机器翻译结果，长、整句建议使用 人工翻译 。
During an emergency, you may need to collect and drink water from sources you never dreamed of - thereby saving your life. (Also see "How to Purify water During an emergency.")
紧急状况下，你不得不收集和饮用你永远也无法想象的水源中的水，只有这样才能挽救自己的生命。
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