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catalytic converter

noun
🔊/ˌkætəˌlɪtɪk kənˈvɜːtə(r)/
🔊/ˌkætəˌlɪtɪk kənˈvɜːrtər/
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  1. a device used in the exhaust system of vehicles to reduce the damage caused to the environment催化转化器，催化式排气净化器（用以净化机动车废气）
    • a car fitted with a catalytic converter装有催化转换器的汽车
    Topics The environmentc2, Transport by car or lorryc2