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1、Itisfairlyclearthatsleepingperiodmusthavesomefunction，andbecausethereissomuchofitthefunctionwouldseemtobeimportant.很清楚，睡眠必然具有某种作用。睡眠占去那么多时间，所以其作用似乎还是很重要。Speculationsaboutisnaturehavebeengoingonforliterallythousandsofyears,andoneoddfindingthatmakesthepro
2、blempuzzlingisthatitlooksverymuchasifsleepingisnotsimplyamatterofgivingthebodyarest.人们对睡眠作用的种种猜测，确实有数干年之久一项使人对这个问题感到困惑的奇怪的发现是,睡眠在很大程度似乎并不仅仅是为了使身体得到休息。•speculationn.推祖!)speculate,predict;speculation:withoutacompleteknowledge•predict:basedonsolidfoundatio
3、n.•speculateabout/onsth.instocks/speculatorIcanpredictinthenearfuturetherewillbenewtypeofmobilephonethatisvisiblemobilephone.•literallyad.确实literal/literature/literate/illiterate/illiteracyliteraltranslation直译法freetranslationwordtoword逐字翻译法Thechildrenar
4、eliterallyhungry.孩子们真的饿了。•odda.奇特的eccentricity/eccentric,oddity/eccentricity,oddmonth大月leapmonth闰月/evenmonth小•bizarre/weird/outlandish怪•dreamtelling/dreamteller/fortuneteller/palmreader•'Rest',intermsofmusclerelaxationandsoon,canbeachievedbyabriefperiod
5、lying,orevensittingdown.•''休息〃，从使肌肉得到放松等方面来看，只要稍微躺一躺，甚至坐一坐就能达到。•1.intermsof・・・就•・•而言Intermsofourfamily,wewouldliketogoonanouting.•2.Asfor...withregardto,/regardinginrespectof/asfor•3.overthrowourformerhypothesis推翻了我们以前的论点•4.abriefperioddoing...稍彳敦•Thebo
6、dy'stissuesareself-repairingandself-restoringtoadegree,andfunctionbestwhenmoreorlesscontinuouslyactive・•人体组织在一定程度上有自我修补和自我恢复的能力，有张有弛地连续活动时,其功能最佳。•1.tissuen.组织(纤维，神经，肌肉…组织)facetissue面巾纸•2.toadegree:tosomeextent/inasense•3.whenmoreorlesscontinuouslyactive
7、.省略了主语tissues和谓语are.如果出现when/if/though句型做状语从句,而主句的主，谓语与从句主,谓语相同，则从句的主,谓语可以省略。Igottotheschoolthough(Iwas)late.•Infactabasicamountofmovementoccursduringsleepwhichisspecificallyconcernedwithpreventingmuscleinactivity・•事实上，睡眠状态下仍有着基本的活动量，以防止肌肉活动停止。•1.beconc
8、ernedwith:beabout•2.beconcernedabout•Ifitisnotaquestionofrestingthebody,thenperhapsitisthebrainthatneedsresting?・如果睡眠的功能不是在于使身体得到休息，那么也许是让大脑得以休息？Thismightbeaplausiblehypothesiswereitnotfortwofactors・若不是下面两点,这种假使似乎是有道理的。・plausible
