新概念汽车实用英语 教学课件 作者 毛矛 新概念汽车实用英语U4.ppt

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1、新概念汽车实用英语UnitFour1WORDSANDPHRASESsuspension[səs'penʃən]n.悬架；悬挂；未决steeringstability转向稳定性2WORDSANDPHRASESsubtle['sʌtl]a.细微的；微妙的；敏感的；狡猾的bump[bʌmp]n.撞击；隆起物v.碰撞；颠簸而行3speedbumpWORDSANDPHRASESperpendicular[,pə:pən'dikjulə]a.垂直的；直立的n.垂直线speck[spek]n.斑点；灰尘；瑕疪；污点4WORDSAN

2、DPHRASESverticalacceleration垂直加速度horizontalacceleration水平加速度5WORDSANDPHRASEScontrolarm操纵臂；控制臂；操纵杆steeringlinkage转向传动装置；转向连杆6WORDSANDPHRASESshockabsorber减震器；减振器dampen['dæmpən]v.减震；缓冲；使潮湿；使沮丧；泼凉水7WORDSANDPHRASESsteeringsystem转向系统；转向系grip[grip]n.抓地力；紧握；紧咬；夹住8WORDS

3、ANDPHRASESdamper['dæmpə]n.阻尼器；减震器anti-swaybar横向稳定杆9WORDSANDPHRASEScoilspring螺旋弹簧essence['esns]n.本质；精髓精华；香精10WORDSANDPHRASEStorsionbar扭力杆；扭杆弹簧leafspring板簧；片簧11WORDSANDPHRASESlayer['leiə]n.层；层次twist[twist]n.扭；扭曲v.拧；扭曲；扭转12LayersOfARainforestWORDSANDPHRASESairspri

4、ng空气弹簧bounce[bauns]n.跳；反弹v.弹跳；使...跳；反弹13WORDSANDPHRASESsnubber['snʌbə]n.缓冲器；减震器kineticenergy动能14WORDSANDPHRASESdissipate['disipeit]v.使消散；浪费hydraulicfluid液压油；液压用液体15WORDSANDPHRASESpump[pʌmp]n.打气筒；抽水机；泵mount[maunt]n.支架；支承；安装16WORDSANDPHRASESpistonrod活塞杆，活塞连杆press

5、uretube高压管；压力管17WORDSANDPHRASESreservetube贮油管velocity[vi'lɔsiti]n.速度；速率adjustto适应；调节；调整以适应18WORDSANDPHRASESdive[daiv]n.俯冲；潜水；跳水v.跳水；俯冲squat[skwɔt]n.蹲；下沉a.蹲著的v.蹲下；坐19TEXT：CARSUSPENSIONThejobofacarsuspensionistomaximizethefrictionbetweenthetiresandtheroadsurface,

6、toprovidesteeringstabilitywithgoodhandlingandtoensurethecomfortofthepassengers.20TEXT：CARSUSPENSIONEvenfreshlypavedhighwayshavesubtleimperfectionsthatcaninteractwiththewheelsofacar.It'stheseimperfectionsthatapplyforcestothewheels.Abumpintheroadcausesthewheeltom

7、oveupanddownperpendiculartotheroadsurface.Themagnitude,ofcourse,dependsonwhetherthewheelisstrikingagiantbumporatinyspeck.Eitherway,thecarwheelexperiencesaverticalaccelerationasitpassesoveranimperfection.21TEXT：CARSUSPENSIONWithoutaninterveningstructure,allofwhe

8、el'sverticalenergyistransferredtotheframe,whichmovesinthesamedirection.Insuchasituation,thewheelscanlosecontactwiththeroadcompletely.Then,underthedownwardforceofgravity,thew