- 問題詳情:Inordertoshowthatshoweringisn’tabigdeal,anAmericanhasn’ttakenashowerfor12years.Instead,hesprays(噴灑)himselfwithsomethingspecialthatissaidtohavekepthimcleanovertheyears.DaveWhitlock,achemicalengineer,thinksnofactcanshowthatbathingisahealthy...
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