BBC经典-《行星地球》英文解说词(全集)Word文档格式.doc

BBC经典-《行星地球》英文解说词(全集)Word文档格式.doc

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AhundredyearsagotherewereoneandahalfbillionpeopleonEarth.Now,oversixbillioncrowdourfragileplanetEarth.Butevenso,therearestillplacesbarelytouchedbyhumanity.ThisserieswilltaketothelastwildernessesandshowyoutheplanetEarthanditswildlifeasyouhaveneverseenthembefore.Imagineourworldwithoutsun.MaleEmperorpenguinsarefacingthenearestthatexistsonplanetEarthEarth-winterinAntarctica.It'

scontinuouslydarkandtemperaturesdroptominusseventydegreescentigrade.Thepenguinsstaywhenallothercreatureshavefledbecauseeachguardsatreasure:

asingleeggrestedonthetopofitsfeetandkeptwarmbeneaththedownybulgeofitsstomach.Thereisnofoodandnowaterforthem,andtheywillnotseethesunagainforfourmonths.Surelynogreaterordealisfacedbyanyanimal.AsthesundepartsfromtheAntarcticitlightenstheskiesinthefarnorth.It'

sMarchandlightreturnstothehighArctic,sweepingawayfourmonthsofdarkness.Apolarbearstirs.Shehasbeeninherdenthewholewinter.Heremergencemarksthebeginningofspring.Aftermonthsofconfinementundergroundshetoboggansdowntheslope.Perhapstocleanherfur,perhapsforsheerjoy.Hercubsgazeoutoftheirbrightnewworldfortheveryfirsttime.Thefemalecallsthem,butthissteepslopeisnottheeasiestplacetotakeyourfirststeps.Buttheyarehungryandeagertoreachtheirmother,who'

sdelayedfeedingthemonthisspecialday.Nowsheluresthemwiththepromiseofmilk,theonlyfoodthecubshaveknownsincetheywereborndeafandblindbeneaththesnowsometwomonthsago.Theirmotherhasnoteatenforfivemonthsandhaslosthalfherbodyweight.Nowsheconvertsthelastofherfatreservesintomilkforhercubs.Thespringsunbringswarmthbutalsoaproblemforthemother.Itstartstomelttheseaice.Thatiswhereshehuntsforthesealsheneedstofeedhercubs.Andshemustgettherebeforetheicebreaksup.Fornowthoughit'

sstillminusthirtydegreesandthecubsmusthavetheshelteroftheden.It'

ssixdayssincethebearsemergedandspringisadvancingrapidly.Butevennowblizzardscanstrikewithoutwarning.Beingsosmall,thecubsareeasilychilledandtheywillbemorecomfortablerestingintheden.Buttheirmothermustkeepthemoutandactive.She'

sbecomingweakfromhungerandthere'

snofoodonthesenurseryslopes.Theseaicestillholdsfirm,butitwon'

tlastmuchlonger.Day10,andthemotherhasledhercubsamilefromtheden.It'

stimetoputthemtothetest.They'

vegrownenormouslyinconfidence,buttheydon'

thavetheirmother'

ssenseofurgency.Atlastitseemsthatthey'

rereadyfortheirjourneyandthey'

reonlyjustintime,forafewmilesfromthecoasttheiceisalreadysplitting.Nowthemothercanstarthuntingforthesealstheymusthave,butshe'

sleadinghercubsintoadangerousnewworld.Nearlyhalfofallcubsdieintheirfirstyearoutontheice.Summerbrings24hoursofsunlightandthethawingshiftinglandscape.FurthersouththewintersnowshavealmostclearedfromtheArctictundra.NorthernCanada'

swildfrontier.Herenaturestagesoneofhergreatestdramas-EveryyearthreemillioncariboumigrateacrosstheArctictundra.Theimmensityoftheherdcanonlybeproperlyappreciatedfromtheair.Someherdstravelover2,000milesayearinsearchoffreshpastures.Thisisthelongestoverlandmigrationmadebyanyanimal.They'

reconstantlyonthemove.Newborncalveshavetobeupandrunningthedaytheyareborn.Butthevastherdsdonottravelalone.Wolves.Packsofthem,eighttotenstrong,shadowthemigration.Andtheyarehungry.It'

sthenewlyborncalvesthattheyareafter.Runningdirectlyattheherdisaploytogeneratepanic.Theherdbreaksupandnowit'

seasiertotargetanindividual.Inthechaosacalfisseparatedfromitsmother.Thecalfisyoung,butitcanoutrunthewolfifonlyitmanagestokeepitsfooting.Atthisstagetheoddsareeven-eitherthecaribouwillmakeamistakeorafteramilethewolfwillgiveup.Midsummeronthetundraandthesundoesnotset.Attheselatitudesthesun'

sraysareglancingandnotenoughoftheirenergyreachesthegroundtoenabletreestogrow.You'

llneedtotravel500milessouthfromherebeforethatispossible.Thesestuntedshrubsmarkthetreeline-thebeginningoftheborealforest-thetaiga.Theneedle-shapedleavesoftheconifersarevirtuallyinediblesothisforestsupportsverylittleanimallife.It'

sasilentplacewherethesnowisunmarkedbyfootprints.IntheArcticwintersnowformsacontinuousblanketacrosstheland.Butasspringcreepsupfromthesouththetaigaisunveiled.ThisvastforestcirclingtheglobecontainsathirdofallthetreesonEarthandproducessomuchoxygenitchangesthecomp