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1/14请听我说1.Listentome,please.你跟我一样，是智人2.You'relikeme,aHomosapiens.一个有智慧的人3.Awisehuman.生命是宇宙的奇迹4.Life,amiracleintheuniverse,出现于约四十亿年前5.appearedaroundfourbillionyearsago,而我们人类只有二十万年历史6.andwehumansonly200,000yearsago.但是我们却破坏了7.Yetwehavesucceededindisruptingthebalance...地球生命赖以生存的平衡8.thatissoessentialtolifeonEarth.请细听这个不寻常的的故事，你的故事9.Listencarefullytothisextraordinarystory,whichisyours,然后决定你应该做什么10.anddecidewhatyouwanttodowithit.这是我们的起源的轨迹11.Thesearetracesofourorigins.最初，我们的星球不过是一个浑沌的火球12.Atthebeginning,ourplanetwasnomorethanachaosoffire,伴随它的恒星--太阳诞生而形成的13.formedinthewakeofitsstar,thesun.一团粘聚的尘埃颗粒14.Acloudofagglutinateddustparticles,就像宇宙里面许多类似的星云15.similartosomanysimilarclustersintheuniverse.然而生命的奇迹就在此诞生16.Yetthiswaswherethemiracleoflifeoccurred.今天，我们的生命17.Today,life-ourlife-是地球上无数生物形成的生命链中的一环18.isjustalinkinachainofinnumerablelivingbeings...在近40亿年里，这些生物被彼此继承取代19.thathavesucceededoneanotheronEarthovernearlyfourbillionyears.即使到了今天，新的火山继续改变我们的景观20.Andeventoday,newvolcanoescontinuetosculptourlandscapes.它们让我们目睹了盘古初开时地球的样子21.TheyofferaglimpseofwhatourEarthwaslikeatitsbirth熔石从深处涌出22.moltenrocksurgingfromthedepths,开始凝固，裂开23.solidifying,cracking,冒着泡，或摊开形成薄的外壳24.blisteringorspreadinginathincrust,然后再休眠一段时间25.beforefablingdormantforatime.这些从地球内部吐出缭绕的烟圈26.ThesewreathsofsmokecurlingfromthebowelsoftheEarth...是地球原始大气层的见证27.bearwitnesstotheEarth'soriginalatmosphere.一个没有氧气的大气层28.Anatmospheredevoidofoxygen.稠密的大气层，充满水蒸气和二氧化碳29.Adenseatmosphere,thickwithwatervapor,30.fullofcarbondioxide.一个熔炉31.Afurnace.因为有水，地球有了一个与众不同的未来32.ButtheEarthhadanexceptionalfuture,offeredtoitbywater.地球与太阳之间的距离适中不太远，不太近33.Attherightdistancefromthesun—nottoofar,nottoonear因此地球上的水能够处于液体状态34.theEarthwasabletoconservewaterinliquidform.水蒸气凝结后形成滂沱大雨降落在地球上35.WatervaporcondensedandfellintorrentialdownpoursonEarth,河流出现了36.andriversappeared.河流改变了地球表面37.TheriversshapedthesurfaceoftheEarth,刻削着河道38.cuttingtheirchannels,并冲刷出山谷39.furrowingoutvalleys.它们流向地球上最低洼的地方形成海洋40.Theyrantowardthelowestplacesontheglobetoformtheoceans.水溶解了岩石的矿物质41.Theytoremineralsfromtherocks,渐渐的，海洋中的淡水42.andgraduallythefreshwateroftheoceans...变成了咸水43.becameheavywithsalt.水是生命必需的液体44.Waterisavitalliquid.它灌溉了这些广阔的不毛之地45.Itirrigatedthesesterileexpanses.水流就像人体的血管46.Thepathsittracedareliketheveinsofabody,树木的枝丫，是让大地苏醒的液体导管47.thebranchesofatree,thevesselsofthesapthatitbroughttotheEarth.40亿年后48.Nearlyfourbillionyearslater,地球上的某些地方还能找到这样的艺术创作49.somewhereonEarthcanstillbefoundtheseworksofart,火山灰混合着来自冰岛冰川的水50.leftbythevolcanoes'ash,mixedwithwaterfromIceland'sglaciers.就是它们，物质和水51.Theretheyare-matterandwater,水和物质52.waterandmatter-软硬组合，这对地球上所有生物都是至关重要的53.softandhardcombined,thecrucialalliancesharedbyeverylife-formonourplanet.金属矿物元素比地球还要古老54.MineralsandmetalsareevenolderthantheEarth.它们是星尘55.Theyarestardust.它们让地球五彩斑斓56.TheyprovidetheEarth'scolors.红色是铁，黑色是碳57.Redfromiron,blackfromcarbon,蓝色是铜，黄色则是硫58.bluefromcopper,yellowfromsulfur.我们来自什么哪里？59.Wheredowecomefrom?生命火花从哪里迸发？60.Wheredidlifefirstsparkintobeing?一个时光奇迹61.Amiracleoftime,地球上的温泉仍然有原始的生命存活62.primitivelife-formsstillexistintheglobe'shotsprings.它们赋予温泉颜色63.Theygivethemtheircolors.它们叫做“古细菌”64.They'recalledarchaeobacteria.它们都依靠地球热能生存65.TheyallfeedofftheEarth'sheat除了蓝细菌，或是蓝绿藻以外66.allexceptthecyanobacteria,orblue-greenalgae.只有它们可以向着太阳来吸取其能量67.Theyalonehavethecapacitytoturntothesuntocaptureitsenergy.它们是古今所有植种的最重要的祖先68.Theyareavitalancestorofallyesterday'sandtoday'splantspecies.这些微小的细菌69.Thesetinybacteria...及其数以亿计的后代70.andtheirbillionsofdescendants...改变了地球的命运71.changedthedestinyofourplanet.是它们改造了地球的大气层72.Theytransformeditsatmosphere.毒害大气层的碳去了哪里？73.Whathappenedtothecarbonthatpoisonedtheatmosphere?它还存在，只是被“囚禁”在地壳74.It'sstillhere,imprisonedintheEarth'scrust.想要了解地球历史的这一篇章75.WecanreadthischapteroftheEarth'shistory...卡罗拉多大峡谷的峭壁是最好的选择76.nowherebetterthanonthewallsofColorado'sGrandCanyon.它们展现了地球近20亿年的历史77.TheyrevealnearbytwobillionyearsoftheEarth'shistory.大峡谷曾经是一个聚居着微生物的海洋78.Onceuponatime,theGrandCanyonwasaseainhabitedbymicroorganisms.它们汲取从大气层溶解到海洋里的碳79.Theygrewtheirshellsbytappingintocarbonfromtheatmosphere...并长出外壳80.dissolvedintheocean.它们死后81.Whentheydied,theshellssank...2/14外壳沉到海床堆叠起来82.andaccumulatedonthesealed.这些地层就是它们无数的外壳构成的83.Thesestrataaretheproductofthosebillionsandbillionsofshells.因为有了它们，碳从大气层中排出84.Thankstothem,thecarbondrainedfromtheatmosphere,其他生物才能得以发展85.andotherlife-formscoulddevelop.生命改变了大气层86.Itislifethatalteredtheatmosphere.植物靠太阳能存活87.Plantlifefedoffthesun'senergy,这能量使植物分离水分子88.whichenabledittobreakapartthewatermolecule...并释放出来氧气89.andtaketheoxygen.空气因而充满氧气90.Andoxygenfilledtheair.地球的水不断更新循环91.TheEarth'swatercycleisaprocessofconstantrenewal.瀑布，水蒸气，92.Waterfalls,watervapor,云、雨、泉93.clouds,rain,springs,河流、海洋、冰川94.rivers,seas,oceans,glaciers.这个循环从未间断95.Thecycleisneverbroken.地球的水量恒久不变96.There'salwaysthesamequantityofwateronEarth.历来的生物都喝同样的水97.AllthesuccessivespeciesonEarthhavedrunkthesamewater.水是令人惊叹的物质98.Theastonishingmatterthatiswater.是最不稳定的一种99.Oneofthemostunstableofall.它可以是液态的流水100.Ittakesaliquidformasrunningwater,气态的蒸汽101.gaseousasvapor...或是固态的冰102.orsolidasice.在西伯