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。
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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