- 问题详情:www.Scientistsaretryingtomakethedesertsintogoodlandagain.Theywanttobringwatertothedeserts,sopeoplecanliveandgrowfood.Theyarelearningalotaboutthedeserts.Butmoreandmoreoftheearthisbecomingdesertallthetime.Scientistsmaynotbeabletochangethedesertintim...
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