2010-08VOASPECIALENGLISHCONTENTD01BringingColortoLifeandTearstoEyesWithaNaturalDyeD02SlaughterhousesonWheelsCometotheAidofSmallFarmsD03Breastfeeding,aSkillThatMomandBaby'LearnFromEachOther'D04MuslimCollegeOpensinUSWithHopesandSuspicionsD05UAE,OtherNationsTargetBlackBerryforAccesstoUserInformationD06PoliticalTensionsGrowasIraqisFailtoAgreeonaGovernmentD07BelittleD08ASimpleOperationCanCureTragicConditioninMothersWithFistulaD09IdeasforGettingaFirmGriponWeedControlD10StudyFindsNoReasontoDelayPregnancyAfteraMiscarriageD11ObamaSignsSpendingBilltoProtectTeachers’JobsD12TheRiseandFallofMarkHurdasH-PChiefD13MillionsinPakistanStruggleAgainstRecordFloodsD15Killingof10AidWorkers'Horrific'butNotUncommonD16PhoneCallAboutFertilizerCouldBeaBigHelptoPhilippineRiceFarmersD17ScientistsLookforAnswersasMoreUSGirlsEnterPubertyatEarlierAgeD18For'CabaretStarsofTomorrow,'aChancetoTrainNowD19VerizonandGoogleProposeRulesoftheRoadfortheInternetD20Israelis,PalestiniansSettoRestartDirectTalksD21TouchAllBasesD22ImportedFoodsRaiseObesity,HealthIssuesforPacificIslandersD23HousingPlanThreatensSeedBankinRussiaD24ExpertsUrgeMoreEffortstoFightCancerinPoorCountriesD25SanFranciscoEducatorWorkstoKeepYoungPeople'AliveandFree'D26GMtoTestInvestors'HungerforRiskWithStockOfferingD27BernankeSaysFederalReserveWillActifUSEconomyWeakensD28EasyAsFallingOffaLogD29Do-It-Yourself:PreparingFishforDryingorSmokingD30TestYourWordKnowledgeWithaQuizAboutFarmTermsD31ForLotsofPeople,GettingOlderMeansGettingHappierEditor:WisepigBringingColortoLifeandTearstoEyesWithaNaturalDye使用一种纯天然方法给生活增添色彩ByJillMoss2010-8-1ThisistheVOASpecialEnglishDevelopmentReport.这里是美国之音慢速英语发展报告。Dyecanbringalittlecolortolife.Mostclothingiscoloredwithdyes.Modern,manufactureddyescanbecostly.Naturaldyesfromplantandanimalproductshavebeenusedsinceancienttimes.Sothisweek,wedescribeanaturalwaytodyewool.染料可以给生活增添色彩。多数衣服都是靠染料染色的。现代人造染料比较昂贵。从古时候起，人们就开始使用从动植物产品中提取的天然染料。本周，我们来谈谈给羊毛染色的纯天然方法。TheadvicecomesfrominformationwrittenbyJennyDeanoftheIntermediateTechnologyDevelopmentGroupinBritain.Thisanti-povertygroupisnowcalledPracticalAction.写信提出本期建议的是珍妮·迪安，来自英国中间技术开发小组。这是一个扶贫组织，现在名叫“实际行动”组织。Thereareseveralmethodstoputdyeontomaterial.Thevatmethod,forexample,canbeusedtodyewoolwithonionskins.Forthisexample,useonehundredgramsofnaturalwool.Thewoolmustbeclean.Leaveitovernightinwaterandliquidsoap.Thenwashitwithcleanwaterthatisalittlewarm.Gentlysqueezeouttheextrawater.给原料染色的方法有很多种。例如缸染法使用洋葱皮染羊毛。在这个例子中，取100克天然羊毛清洗，置于水和液体肥皂的混合液中浸泡一夜，然后用清洁温水把羊毛洗净，轻轻挤出多余水分。Asolutioncalledamordantisusedinthedyingprocess.Amordanthelpsfixthedyetothematerial.Traditionally,mordantswerefoundinnature.Woodashisoneexample.Butchemicalmordantssuchasalumarepopulartoday.Alumissoldinmanystores.Itisoftenmixedwithcreamoftartar,afinepowdercommonlyusedincooking.在染色过程中还将用到一种名为媒染剂的溶剂。媒染剂帮助染料固着于原料上。通常，媒染剂都取自天然，例如木灰。但如今明矾一类的化学媒染剂更受欢迎。明矾在很多商店都有销售。使用时通常混以酒石——一种烹调时常用的细粉状物质。Mixeightgramsofalumwithsevengramsofcreamoftartarinasmallamountofhotwater.Addthesolutiontoametalpanofcoolwat...
