急需一篇关于烧伤急救的英语作文

Theskinisanessentialpartofyourbodyanditslargestorgan.Youhavethreelayersofskinwhichactasabarrieragainstdisease,poisonsandthesun'sharmfulrays.Thefunctionsofyourskinarealsoverycomplex:itkeepsyouwarmorcool;itpreventsyourbodyfromlosingtoomuchwater;itiswhereyoufeelcold,heatorpainanditgivesyouyoursenseoftouch.Soasyoucanimagine,ifyourskingetsburneditcanbeveryserious.Firstaidisaveryimportantfirststepinthetreatmentofbums.CausesofburnsYoucangetburnedbyavarietyofthings:hotliquids,steam,fire,radiation(bybeingclosetohighheatorfire,etc),thesun,electricityorchemicals.TypesofburnsTherearethreetypesofburns.Burnsarecalledfirst,secondorthirddegreeburns,dependingonwhichlayersoftheskinareburned.◎FirstdegreeburnsTheseaffectonlythetoplayeroftheskin.Theseburnsarenotseriousandshouldfeelbetterwithinadayortwo.Examplesincludemildsunburnandburnscausedbytouchingahotpan,stoveorironforamordent.◎SeconddegreeburnsTheseaffectboththetopandthesecondlayeroftheskin.Thesebumsareseriousandtakeafewweekstoheal.Examplesincludeseveresunburnandbumscausedbyhotliquids.◎ThirddegreeburnsTheseaffectallthreelayersoftheskinandanytissueandorgansundertheskin.Examplesincludeburnscausedbyelectricshocks,burningclothes,orseverepetrolfires.Theseburnscauseverysevereinjuriesandthevictimmustgotohospitalatonce.CharacteristicsofburnsFirstdegreeburns◎dry,redandmildlyswollen◎mildlypainful◎turnwhitewhenpressedSeconddegreeburns◎rough,redandswollen◎blisters◎waterysurface◎extremelypainfulThirddegreeburns◎blackandwhiteandcharred◎swollen;oftentissueunderthemcanbeseen◎littleornopainifnervesaredamaged;maybepainaroundedgeofinjuredarea.译文：皮肤是人体的一个不可缺少的组成部分，也是人体最大的器官。人体的皮肤分为三层，作为阻隔病菌、有毒物质和太阳有害辐射的保护性屏障。皮肤的作用也是非常复杂的：保持人体的冷暖；防止散失过多的水分；感知冷、热、疼痛以及获得外部的触觉。所以你也就能够想象到，如果皮肤被灼伤（烧伤），会是一件非常严重的事情。在对待灼伤（烧伤）时，急救是非常重要的第一步。皮肤灼伤（烧伤）引起的原因引起皮肤灼伤（烧伤）的物质有很多，例如热的液体、蒸汽，火，辐射（当接近于热源或者火源时），太阳，电以及化学品。皮肤灼伤（烧伤）的种类共有3种，分别为一级、二级和三级。分类取决于皮肤灼伤（烧伤）的层数。一级灼伤（烧伤）仅仅影响到皮肤的最上层。这种伤害并不严重，通常一到两天就会见好。例如轻度的晒伤或者触碰到热锅、热炉等热的钢铁制品。二级灼伤（烧伤）伤及到皮肤的最上层和第二层。这种伤害以及很严重了，通常需要几个星期才能恢复。例如皮肤曝晒或者被热的液体烫伤。三级灼伤（烧伤）伤及到皮肤的全部三层以及皮下的组织或者器官。例如遭受电击灼伤，体表着衣起火或者遭受严重的汽油火灾。这类灼伤（烧伤）会引起严重的伤害，受害者须立即就医。灼伤（烧伤）的特征一级灼伤（烧伤）皮肤干燥、红肿或者轻度肿胀轻度疼痛挤压受伤处皮肤变白二级灼伤（烧伤）皮肤粗糙、红肿或者肿胀起水泡或者脓包脓状表面极度疼痛三级灼伤（烧伤）皮肤发黑或者变白或者烧焦脓肿；通常通过表皮能够看见皮下组织无疼痛或者轻微疼痛（如果皮下神经组织已遭破坏）；受伤区域边缘可能会出现疼痛现象。