【Howwouldyouliketowearthesameunderwear(内衣裤)forweeks?Owingtotheworkthathasgoneintodevelopingintelligentmaterials,thismaynotbeas41asitsounds.Self-cleaningclotheshavenowbeencreated,andthesenewmat】

　　Howwouldyouliketowearthesameunderwear(内衣裤)forweeks?Owingtotheworkthathasgoneintodevelopingintelligentmaterials,thismaynotbeas 41 asitsounds.Self-cleaningclotheshavenowbeencreated,andthesenewmaterialsprovide 42 resistancetodirtaswellaswater.Asaresult,theyrequiremuchlesscleaningthantraditionalmaterials.

　　Thecreationofself-cleaningclothesprovidesanexampleofhownaturehelpsscientistsdevelopbetterproducts.Thisself-cleaningnatureisknownasthe“lotuseffect”.Thenamecomes,ofcourse,fromthelotusleaves,whicharefamousforgrowinginmuddylakesandriverswhileremainingalmost 43

　　clean.Byobservingnature,scientistsare 44 thequalitiesofthelotusleavestothematerialstheyhaveengineered.Becauseofthis,someremarkablenewproductshavebeen 45 .Amongthemarespecialwindowsthatareresistanttodirtandwater.Aspecial 46 onthesewindowsnotonlypreventsdirtfromstickingtotheirsurfaces,butalsoallowsdusttobeeasilywashedoffbytherain.Infact,thesenewwindowshavealreadybeen 47 tosomecars.Evenwhentravelingathighspeedthroughrain,thesecarsneverhavetousetheirwindshieldwipers(雨刮器).

　　Althoughwehavealreadyseensomepracticalapplications,evenmoredramatic 48 willbemadeinthefuture,andtheywill,perhaps,changeourworldcompletely.Undoubtedly,technologyisanimportantdevelopment,anditwillhaveanevenbigger 49 onourlives.