也在上周，一名联邦法官在加利福尼亚州取得了另一个胜利，他一直试图对汽车尾气中的二氧化碳含量做严格的限制。
Also last week, a federal judge handed yet another victory to California, which has been trying to impose tough CO2 limits on automobiles.
由于大量使用催化转化器将汽车尾气转换成二氧化碳，城市中的一氧化碳含量已经大大减少。
Carbon monoxide levels in cities have been greatly reduced by the use of catalytic converters in cars, which turn most of the gas into carbon dioxide.
我本来以为，二氧化碳汽车尾气、煤炭燃烧会排放，没想到生活中处处都有微弱的“碳”在侵害着大家的生活和地球。
We should also call on the people around us to do something for low - carbon living. Only in this way will the earth he a good place to live on.
我本来以为，二氧化碳汽车尾气、煤炭燃烧会排放，没想到生活中处处都有微弱的“碳”在侵害着大家的生活和地球。
We should also call on the people around us to do something for low - carbon living. Only in this way will the earth he a good place to live on.
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