科技报告PASSAGEONE英译汉:1.Mytopictodayis“TheCarandAirPollution”
我今天的话题是“轿车与空气污染”
2.Inparticular,Iwantfirstlytodiscussthewaysinwhichthecarcausesairpollution;andsecondly,howwecancontrolorreduceairpollutionfromthecar
具体说来,我想先讨论一下轿车引起空气污染的途径,然后我们如何控制和减少由轿车产生的空气污染
3.First,then,howdoesthecarcauseairpollution
首先,轿车如何导致空气污染
4.Whathappensisthatthecar’sinternalcombustionengineisakindofchemicalfactoryonasmallscale
桥车内燃机实际上是一座小型化工厂
5.Itusesamixtureofpetrolandair,andthismixtureexplodesandburns,toproducetheenergywhichpropelsthecar
内燃机所用的燃料是汽油和空气的混合物
汽油夹着空气,燃烧后产生驱车动力
6.Butwhilethisishappening,manycomplicatedchemicalreactionsaretakingplace
但是许多复杂的化学反应也同时发生
7.Inparticular,partofthepetrol-airmixtureisnotcompletelyburnedup,andsotheexhaustgasesfromtheenginecontainsomeverydangerouschemicals,suchascarbonmonoxide,nitr