1

汽车实用英语 Practical automobile english

Unit one

Structure of Automobile

2

1 、 Presentation

2 、 Read the text for ten minutes: (1) The key words; (2) The main component of the auto; (3) The main point of the text;

3

Qu.1 :What’s the main parts of an automobile?

4

3 、 Key Word and Expressions

chassis 底盘valve 阀，气门ignition 点火lubricate 润滑，加润滑油assemble 装配，集合transmission 变速器suspension 悬挂steer 驾驶brake 刹车clutch 离合器，抓住gearbox 变速箱

5

differential 差速器 capacity 容量，能力coil 盘绕 n.torsion 扭转，转矩knuckle 转向节momentum 动力，要素，动量kinetic 动的，动力学的retard 使减速，阻止shelter 掩蔽，掩蔽处hood 车篷，引擎盖fender 防护物，挡泥板bumper 汽车保险杆，缓冲器surge 电泳，澎湃

6

internal combustion engine 内燃发动机final drive 主减速器gear sector 扇形齿轮pitman arm 转向摇臂drag link 直拉杆，转向steering knuckle arm 转向臂节 king pin 主销tie rod 转向横拉杆 kinetic energy 动能brake lining 制动器摩擦衬片combustion chamber 燃烧室torsion bar 扭力轴

7

The automobile is composed of four sections such as engine, chassis, body and electrical system.

engine

chassis

4 、 text analysis

8

Qu.2 : How to classify the auto engine?

Number of cylinders;Arrangement of cylinders;Arrangement of valves;Type of cooling;Number of cycles;Type of fuel burned;Type of ignition.

Qu.3 :What is the function of the engine?

The engine is the source of power that makes the wheels go around and the car move.

9

Qu.4 : What are the main part of an engine?fuel 燃料

lubricating 润滑 cooling 制冷ignition 点火starting systems 起动系统

10

Qu.5 :What is the function of the chassis ?

The chassis is a framework used to assemble auto components on it.

chassis

11

Qu.6 :What are the main part of the chassis?Transmission system Suspension system Steering systemBrake system

自动挡液体传动系统 Transmission system

12

Suspension system

13

Steering system

14

Brake system

15

Qu.7 :What is the function of the automobile body?

The automobile body serves the obvious purpose of providing shelter, comfort and protection for the occupants.

body

16

Qu.9 :What are the main part of the automobile body?

automobilebody

the front the rear the top the underbody

the hoodthe fenders the roof panels the door the instrument panelthe bumpers the luggage compartment

17

The function of the electric system.

The electric system supplies lighting and driving power for the automobile. It cranks the engine for staring.

The main part of the electric system.

The electric system includes the battery, generator, starting system, ignition system, lighting system, horn system, radio and other devices.

18

电子转向系统的组成原理图

19

POLO 轿车车载网络拓扑结构

20

e.g. The chassis is a framework used to assemble auto components on it.1 、主句：主语 +be 动词 + 宾语 The chassis + is + a framework2 、过去分词引导不定式做定语 used to3 、时态为一般现在时 is 4 、翻译：底盘是一个集装汽车部件的框架。

5 、 Sentence and grammatical analysis

21

e.g. It is already over one hundred years since the first automobile was invented in the word.1 、主句：主语 + 不完全动词 + 补语 It + is + already over one hundred years 2 、介词 since 引导时间状语从句 从句 ：主语 + 不及物动词 the first automobile + was invented3 、介词 in 引导地点状语： in the word4 、使用被动语态： was invented5 、时态： It is ； was invented6 、翻译：世界上第一台车诞生已经有一百多年了。

22

e.g. From then on, the transportation on land shifted from the age of coaches to the age of automobiles.1 、主句：主语 + 不及物动词 the transportation + shifted 2 、介词引导状语从句 on……;from……3 、 of 表示同位关系，表述明确、严谨 the age of coaches ； the age of automobiles4 、独立结构不构成句子成分 From then on5 、翻译 : 从那时起，人类的交通从马车时代进入汽车时代。

23

5 、 Practice

(1) Choose the correct word to match the sentence. chassis; crankshaft; lubricating; friction; ignition;① to put oil into the moving parts of a

machine to make them work more easily. ② a rod turning, or driven by a crank. ③ the rubbing of one against another. ④ the framework on which the body and

working parts of a vehicle are fastened. ⑤ starting an engine by electrically firing

the gases from the petrol.

lubricating

crankshaftfrictionchassis

ignition

24

suspension; combustion; cylinder; transmission; axle; ① a long round hollow on solid body.② a bar with a wheel on either end.③ the act of catching fire and burning.④ the pieces of apparatus fixed to the wheels of a car to lessen the effects of rough road surfaces.⑤ the parts by which power is carried from an engine to the wheels that produce movement in a vehicle.

cylinder

axlecombustionsuspension

transmission

25

(2)Lbel the picture correctly using the words blew

①② ③

④

⑤

⑥

⑦

chassis; body; steering system; transmission system; tailpipe; engine; road wheel.

26

6 、 Layout of English letter & E-mail

1 、 Sender’ addressDate

2 、 Salutation

3 、 Body .

4 、 Complimentary Close5 、 Signature

6 、 Encl7 、 P.S.:

Private Letter

27

Homework: Write a private latter to the automobile manager. Ask him about the price, feature and property of the car you are interested in.