新概念英語第四冊(cè)Lesson+23+Bird+flight 課件

Lesson23Birdflight鳥的飛行方法①

Notwosortsofbirdspractisequitethesamesortofflight;thevarietiesareinfinite;buttwoclassesmayberoughlyseen.Thepossibilitiesareinfinite.Mankindhasinfiniteingenuity.class/category/type/sortfallinto....categoriesbedividedinto....classes②

AnyshipthatcrossesthePacificisaccompaniedformanydaysbythesmalleralbatross,whichmaykeepcompanywiththevesselforanhourwithoutvisibleormorethanoccasionalmovementofwing.albatrossn.信天翁analbatrossaroundone’sneckThescandalisanalbatrossaroundthepresident’sneck.lameduck不成功的人或事，美國政治的跛腳鴨（即將屆滿卸任者）sittingduck活靶子；易被擊中的目標(biāo)；易受攻擊的對(duì)象carrierpigeon信鴿pigeon-toed內(nèi)八字的，足內(nèi)翻的③

Thecurrentsofairthatthewallsoftheshipdirectupwards,aswellasinthelineofitscourse,areenoughtogivethegreatbirdwithitsimmensewingssufficientsustenanceandprogress.sustenancen.食物，營養(yǎng)，生計(jì)；持續(xù)，維持sustainv.sustainableretainattainobtainmaintaindetaincontainbedirectedat針對(duì)Allthecriticismwasdirectedather.directadv.④

Thealbatrossisthekingofthegliders,theclassofflierswhichharnesstheairtotheirpurpose,butmustyieldtoitsopposition.harnessn.馬具；v.利用（自然力）Thereisagreatdealofinterestinharnessingwindandwavesasnewsourcesofpower.Inordertoreducethefossilfuels,wehavenowbeguntoharnessenergyfromthewindandtides.Weaimtodobetteratharnessingtheskillsandtalentsofouremployeestableaproposal/billWouldyouliketochairtomorrow’smeeting?implementaplan/policygearsth.to/towardssth./sb.Hegearedhisspeechtoaconservativeaudience.⑤

Inthecontraryschool,theduckissupreme.

⑥

Itcomesnearertotheengineswithwhichmanhas'conquered'theair,asheboasts.⑦

Duck,andlikethemthepigeons,areendowedwithsteel-likemuscles,thatareagoodpartoftheweightofthebird,andthesewillplytheshortwingswithsuchirresistiblepowerthattheycanboreforlongdistancesthroughanopposinggalebeforeexhaustionfollows.endowv.資助；賦予SomeAmericancollegesarestate-supported,othersareprivatelyendowed,andstillothersaresupportedbyreligiousorganizations.endowsb.withsth.She’sendowedwithbothbeautyandbrains.Sheisendowedwithgreatmusicalability.=investsb./sth.withsth.Thecrimescommittedthereinvestedtheplacewithanairofmysteryandgloom.plytheshortwingswithsuchirresistiblepowerachanceinamillionHisangernearlybursthisbelly.Everybodywasclappingtheirhandsoff.Shecriedhereyesout.Hehasaskeletonofawife.Thecarcosthimanarmandaleg.anopposinggale=adverse/unfavorablegale/wind⑧

Theirhumblerfollowers,suchaspartridges,havealikepowerofstrongpropulsion,butsoontire.propulsionn.推進(jìn)力propelpel-=pushexpelcompelrepeldispelimpelbe/feelcompelledtodobe/feelimpelledtodo⑨

Youmaypickthemupinutterexhaustion,ifwindovertheseahasdriventhemtoalongjourney.Ifyouhavefinishedyourwork,youmaygohome.IfyouhaveneverbeentoAustralia,youmayliketoknowthatitiswellworthavisit.Ifyouhaveeverlivedwithher,youmayunderstandwhyIwouldliketoleaveher.⑩

Theswallowsharesthevirtuesofbothschoolsinhighestmeasure.?

Ittiresnot,nordoesitboastofitspower;butbelongstotheair,travellingitmaybesixthousandmilestoandfromitsnorthernnestinghome,feedingitsflownyoungasitflies,andslippingthroughamediumthatseemstohelpitspassageevenwhenthewindisadverse.adverseadj.不利的，相反的adverseeffectsadverseweatherconditionsadversecircumstancesadversewindadversecriticismadversityn.?Suchbirdsdousgood,thoughwenolongertakeomensfromtheirflightonthissideandthat;andeventhemostsuperstitiousvillagersnolongertakeofftheirhatstothemagpieandwishitgood-morning.omenn.預(yù)兆，征兆