炎热的天气使汽车尾气变成烟雾，加剧了空气污染，这可能使患有哮喘和其他有呼吸问题的人的生活更加痛苦。
Hot weather worsens air pollution by turning car exhaust into smog, which can make life miserable for people with asthma and other breathing problems.
然而，在汽车交通繁忙的地区，种子在没有火灾的情况下借助汽车尾气提供所需的二氧化氮发芽。
In areas with heavy automobile traffic, however, the seed germinates in the absence of fire, with automobile exhaust supplying the required nitrogen dioxide.
同组化学物质(如丙烯酰胺和甲乙烯酮)也存在于汽车尾气、二手烟、工业环境中，甚至炸薯条里也有。
Chemicals in this group, such as acrylamide and methylvinyl ketone, also show up in car exhaust, cigarette smoke, industrial Settings, even French fries.
多环芳烃来自于汽车尾气以及住宅供暖和发电的排放。
PAHs are in car or bus exhaust and emissions from residential heating and power generation.
在地球上，烤糊的面包和汽车尾气里都含有稠环芳烃。
On Earth, polycyclic aromatic hydrocarbons are found on burnt toast and in automobile exhaust.
氮排放主要来自汽车尾气、工厂、及集约化农业中使用的化肥和粪肥。
Emissions mostly come from vehicle exhausts, factories, artificial fertilisers and manure from intensive farming.
在我演讲的同时，波士顿的汽车尾气和北京的工厂正在促使北极的冰层融化，缩短大西洋的海岸线，并使从堪萨斯到肯亚的农场遭受干旱。
As we speak, cars in Boston and factories in Beijing are melting the ice caps in the Arctic, shrinking coastlines in the Atlantic, and bringing drought to farms from Kansas to Kenya.
很多哮喘患者也告诉我们，他们关心的是汽车尾气增加造成的影响，这将会在未来影响到他们和家人的健康。
A large proportion also tell us they are concerned about the effect that increasing vehicle fumes will have on their and their family's health in the future.
她住在一个加油站附近，街对面是充满汽车尾气的十字路口。
She lived near a gas station and across the street from an intersection choked with exhaust-spewing cars and buses.
科学家刚刚开始探究汽车尾气对神经产生有害影响的基本生物学原理，特别是出生前及终身吸入尾气的情况。
Scientists are only beginning to understand the basic biology of car exhaust's toxic neural effects, especially from prenatal or lifetime exposures.
“可能致癌”是WHO用于划分医疗风险的特定类别，夜班工作、汽车尾气和咖啡同属此类。
"Possibly carcinogenic" is a specific category that WHO USES to characterize medical risk, and also has been attached to night-shift work, engine exhaust and coffee.
二是汽车尾气。
在过去的十五年里雾气中的小颗粒、烟尘和汽车尾气是不是也对所诊断出的翻倍增长的糖尿病有所影响呢？
Could small particles from haze, smoke and car exhaust have a hand in doubling the number of diagnosed cases of the disease over the last 15 years?
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.
由汽车尾气排放造成的污染和全球变暖现在也是许多人关心的严重问题。
Pollution and global warming caused by vehicle emissions and exhaust are now also serious issues that many people are concerned with.
钯：钯与铂的外观和用途都很相似；它出现在汽车尾气排放设备和电子产品中。
Palladium (Pd): Palladium is similar to platinum in both appearance and in use; it appears in vehicle emissions equipment and electronics.
比如，美国采取管制的形式来控制汽车尾气排放，而欧洲采用征收燃料税的方法。
Vehicle emissions, for instance, are controlled by regulation in America, whereas they are mostly discouraged by fuel taxes in Europe.
第三，汽车尾气污染和烟雾使冰川被碳烟灰所笼罩，从而使冰川颜色变得更深而缺乏反射性——因而导致冰川加速融化。
Third, pollution from trucks and smoke covers glaciers with carbon soot so that their surfaces become darker and less reflective - causing them to melt more quickly.
我还害怕等公交车或出租车，因为等车的时候我很可能被抢劫，或是被汽车尾气给熏死。
I’m afraid to wait for a bus or a cab, because I might get mugged while I’m waiting or choke from the pollution.
没人知道经常吸入大量汽车尾气的上班族大脑是否会受到持续的影响。
No one knows whether regular commuters breathing heavy traffic fumes suffer any lasting brain effect.
其次，中国迫切需要治理主要由汽车尾气造成的城市污染。
Second, it desperately needs to clean its urban centres of pollutants largely produced by exhaust pipes.
家长们很反对把儿童游乐场迁移到离马路很近的地方，那里的汽车尾气太多。
Parents have objected to relocating the playground closer to the street and traffic fumes.
但是他们享有一种幸福：几乎完全不受汽车尾气的污染。
But they enjoy one blessing: an almost complete absence of pollution from car exhausts.
汽车尾气，大片的土地被用于停车所造成的问题如洪水猛兽一般。
Emissions. The flood implications of land being given to parking.
道路上，也没有了拥挤，没有了汽车尾气的排放，全都用磁悬浮来代替燃料的燃烧，从而“温室效应”这一大难题也随之消失。
Road, also not crowded, not the automobile exhaust emissions, all with maglev instead of fuel combustion, thus "greenhouse effect" that a big problem also disappear.
道路上，也没有了拥挤，没有了汽车尾气的排放，全都用磁悬浮来代替燃料的燃烧，从而“温室效应”这一大难题也随之消失。
Road, also not crowded, not the automobile exhaust emissions, all with maglev instead of fuel combustion, thus "greenhouse effect" that a big problem also disappear.
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