- 问题详情:Manythousandsofyearsago,mendidn'tknowhowtomakeadentallyalightning(闪电)hitaforestandstartedafire.Thenpeopletooksomeofthefiretomakeafireneartheirmusttakecareofthefire.Ifitwentout,theyhadtowaitforanotherlightning.Sometimestheyhadtowaitforyears...
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