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![Forthosewhohavenoaccesstocleanwater,thephrase“athirstfo...]( "Forthosewhohavenoaccesstocleanwater,thephrase“athirstfo...")
Forthosewhohavenoaccesstocleanwater,thephrase“athirstfo...
问题详情：Forthosewhohavenoaccesstocleanwater,thephrase“athirstforknowledge”maysoonhaveanewmeaning.Researchershavedevelopedabookwithspeciallytreated pages thatcanmakewatersafetodrink.Theresearcherss...
