如果你闻到了异味（例如汽油味或燃烧味），就把车带给你的修理工。
If you smell something unusual (gas fumes or burning, for instance), take the car to your mechanic.
这些气体，主要是二氧化碳，是通过燃烧燃料例如汽油所产生的。
These gases, mainly carbon dioxide (CO2), are produced by burning fuels such as petrol.
后者(例如汽油往复活塞发动机)不连续的燃料和空间周期性点燃。
In the second (e. g., gasoline-reciprocating-piston engines), discrete quantities of fuel and air are periodically ignited.
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