英语翻译
Ifyouknewabottleofwaterhadbeenrecycledfromurine(尿),wouldyoudrinkit?Astronautsatthe
InternationalSpaceStation(ISS)maysoondoso.
NASA(美国航空航天局)saiditwoulduseahigh-techmachine(高科技机器)torecyclewastewater
attheISS.Themachinewillrecycleeverythingfromsweat(汗),thewaterforwashinghands,showerwater,
waterusedforbrushingteeth,andevenurine,tomakedrinkingwater.
ItwillsaveNASAmillionsofdollarseachyear.Atpresent,eachISSastronautusesabout4.4liters(升)
ofwatereveryday.Itcostsabout$24millionayeartotransportwateruptoISS.NASAsaysthataliterof
watercostsabout$11,000.
ThemachinewillbesenttotheISSinOctober2008.NASAhopesitwillrecycleabout93%ofallwater
usedonthestation.
Willthewaterbeclean?Scientistssaythewastewaterwillgothroughaverycomplicatedprocess
Forexample,differentchemicalswillbeputinthewastewater;thewaterwillbeheatedto130℃to
getridofbacteria(细菌).Therecycledwateristhousandsoftimesbetterthanthewaterfromacitytap,
scientistssay.