下载后可任意编辑新概念第四册Lesson40~42课文翻译及学习笔记新概念第四册Lesson40课文翻译及学习笔记【课文】Firstlistenandthenanswerthefollowingquestion.听录音,然后回答以下问题。Whatfalseimpressiondoesanoceanwaveconveytotheobserver?Wavesarethechildrenofthestrugglebetweenoceanandatmosphere,theongoingsignaturesof下载后可任意编辑infinity.Raysfromthesunexciteandenergizetheatmosphereoftheearth,awakeningittoflow,tomovement,torhythm,tolife.Thewindthenspeaksthemessageofthesuntotheseaandtheseatransmitsitonthroughwaves--anancient,exquisite,powerfulmessage.Theseoceanwavesareamongtheearth’smostcomplicatednaturalphenomena.Thebasicfeaturesincludeacrest(thehighestpointofthewave),atrough(thelowestpoint),aheight(theverticaldistancefromthetroughtothecrest),awavelength(thehorizontaldistancebetweentwowavecrests),andaperiod(whichisthetimeittakesawavecresttotravelonewavelength).Althoughanoceanwavegivestheimpressionofawallofwatermovinginyourdirection,inactualitywavesmovethroughthewaterleavingthewateraboutwhereitwas.Ifthewaterwasmovingwiththewave,theoceanandeverythingonitwouldberacingintotheshorewithobviously下载后可任意编辑catastrophicresults.Anoceanwavepassingthroughdeepwatercausesaparticleonthesurfacetomoveinaroughlycircularorbit,drawingtheparticlefirsttowardstheadvancingwave,thenupintothewave,thenforwardwithitandthen--asthewaveleavestheparticlesbehind--backtoitsstartingpointagain.Frombothmaturitytodeath,awaveissubjecttothesamelawsasanyother‘living’thing.Foratimeitassumesamiraculousindividualitythat,intheend,isreabsorbedintothegreatoceanoflife.Theundulatingwavesoftheopenseaaregeneratedbythreenaturalcauses:wind,earthmovementsortremors,andthegravitationalpullofthemoonandthesun.Oncewaveshavebeengenerated,gravityistheforcethatdrivestheminacontinualattempttorestoretheoceansurfaceto下载后可任意编辑aflatplain.fromWorldMagazine(BBCEnterprises)【Newwordsandexpressions生词和短语】signaturen.签名,标记infinityn.无穷rayn.光线energizev.给与...能量rhythmn.节奏transmitv.传送exquisiteadj.高雅的phenomenan.现象下载后可任意编辑crestn.浪峰troughn.波谷verticaladj.垂直的horizontaladj.水平的actualityn.现实catastrophicadj.大灾难的particlen.微粒maturityn.成熟undulatev.波动,形成波浪tremorn.震颤gravitationaladj.地心吸力的下载后可任意编辑【课文注释】1.transmitvt.①传达例句:Gypsiesfrequentlytransmitrecipesorallywithinthefamily.吉普赛人常常以口头形式把秘方世代相传。②传送例句:Iwilltransmitthemoneybyspecialmessenger.我将专门派人送这笔钱。③传染例句:Thetensionsoontransmitteditselftoallthemembersofthecrowd.下载后可任意编辑这种紧张情绪很快感染了人群中所有的人。④代代相传例句:Parentstransmitsomeoftheircharacteristicstotheirchildren.父母把某些特性遗传给子女。【词义辨析】点击查看大图send,deliver,dispatch,forward,ship,transmit这些动词均含“送出,发送,传送”之意。send:普通最常用词,含义广。指把人或物由一地送往另一地,而不涉及事物的内容或送的方式。deliver:指把信件、包裹等物寄发出去或交到某地,或直接交与某人,着重发送这一行为。dispatch:指为特别目的而发送或派遣,强调紧急或下载后可任意编辑快速。forward:指经过其他人或手段把东西转送给某人,(电子邮件)转发。ship:把通过水运、陆运或空运等方式运送东西。现常指商业上的运货,或将物品托运。transmit:指将文件、消息等的内容或类似的东西发至某地或传达给他人。2.exquisiteadj.①精挑细选的例句:Thehostesshadexquisitetasteinclothes.女主人对衣著十分讲究。②精致的下载后可任意编辑例句:Thegirlcameupwi...