英语翻译Wavesarebeautifultolookat,buttheycandestroy(@@)shipsatsea,aswellashousesandbuildingsneartheshore.Whatcauseswaves?Mostwavesarecausedbywindsblowingoverthesurfaceofthewater.Thesunheatstheearth,causingth

　　英语翻译

　　Wavesarebeautifultolookat,buttheycandestroy(@@)shipsatsea,aswellashousesand

　　buildingsneartheshore.Whatcauseswaves?Mostwavesarecausedbywindsblowingoverthesurfaceofthewater.Thesunheatstheearth,causingtheairtoriseandthewindstoblow.Thewindsblowacrossthesea,pushinglittlewavesintobiggerandbiggerones.

　　Thesizeofawavedependsonhowstrongthewindis,howlongitblows,andhowlargethebodyofwateris.Inasmallbay(海湾)bigwaveswillneverbuildup.Butatseathewindcanbuildupgiant,powerfulwaves.

　　Arulesaysthattheheightofawave(inmeters)willusuallybenomorethanone-tenthofthewind''sspeed(inkilometers).Inotherwords,whenthewindisblowingat120kilometersperhour,mostwaveswillbeabouttwelvemeters.Ofcourse,somewavesmaycombinetoformgiantwavesthataremuchhigher.Li1933theUnitedStatesNavy(海军)reportedthelargestmeasuredwaveinhistory.ItroseinthePacificOceantoaheightofthirty-fourmeters