catalytic converter

catalytic-converter的词性：
n.（名词）

1. A reaction chamber typically containing a finely divided platinum-iridium catalyst into which exhaust gases from an automotive engine are passed together with excess air so that carbon monoxide and hydrocarbon pollutants are oxidized to carbon dioxide and water.
催化反应室：一个精细分割的装有铂一铱催化剂的反应室，汽车发动机的尾气和过量的空气被一起注入其中，使一氧化碳和碳氢化合物这些污染物被氧化成二氧化碳和水