Waterisveryimportanttolivingthings.Withoutwatertherecan...
问题详情:Waterisveryimportanttolivingthings.Withoutwatertherecanbenolifeontheearth.Allanimalsandplantsneedwater.Manalsoneedswater.Weneedwatertodrink,tocookourfoodandtocleanourselves.Waterisneededinoffi...