Their faces were blackened with soot.
他们满脸煤灰。
The parks and squares looked grim under a mantle of soot and ash.
在一层烟尘的笼罩下，这些公园和广场显得阴沉沉的。
Not all air pollution starts out as soot.
并非所有的空气污染物一开始都是煤烟。
These are pollutants, particularly ozone and soot, that do not hang around in the atmosphere as carbon dioxide does.
这些污染物，尤其是臭氧和煤烟，不像二氧化碳那样悬浮在大气中。
Airborne soot and dirt from the impact blanketed Earth, inhibiting photosynthesis and triggering mass extinction of species.
撞击产生的烟尘和灰尘覆盖了地球，抑制了光合作用，引发了物种的大规模灭绝。
It does not distribute neurotoxic mercury around the planet; it does not clog city air and the lungs of those who breathe it with soot and sulfur.
它不会在地球上散播神经毒性汞；它不会用烟尘和硫堵塞城市空气和呼吸者的肺。
The soot heats the air further.
烟尘进一步加热空气。
The doors and Windows were blurred with soot.
那些门窗被煤烟弄得很脏。
But not all air pollution starts out as soot.
但空气污染物最初的形态并不一定都是烟尘。
They're all black with soot except yours.
除了你的外，他们的都被煤烟弄黑了。
The inside of a chimney soon get covered in soot.
烟囱里面很快就会被煤烟覆盖。
And traditional sources emit harmful fumes and soot.
传统的燃料燃烧会释放有害的气体和烟尘。
New air pollution regulations could help reduce soot.
空气污染的新法规，有助于减少烟尘。
Hundreds of buildings are covered in pale white soot.
数以百计的建筑被苍白的灰烬所覆盖。
His old dog rolls in the ash and cloaks itself in soot.
他那头年老的狗就在灰烬里翻滚，使自己隐没在烟灰中。
There's a funny smell of soot blowing down the chimney.
烟囱里倒灌进一股刺鼻的煤烟。
The soot produced by each type of burning has a different makeup.
每种燃烧产生的煤烟成分各不相同。
The amount of soot in the air has increased substantially in the area.
这一地区空气中的烟灰含量正迅速增加。
The ink appears to be an ancient recipe—a mix of iron gall and soot inks.
其中的墨迹被认为来自一种古老的配方，一种将鞣酸铁与煤烟混合而成的墨水。
The wind–the wind! There's a funny smell of soot blowing down the chimney.
风啊——风啊！烟囱里倒灌进一股刺鼻的煤烟。
The inefficient burning typical in a fireplace also creates plenty of soot.
低效的燃烧——典型的如在壁炉——也会产生大量的烟尘。
Sulfate and soot also vary in their impact on temperature at Earth's surface.
硫化物和煤烟对地球表面的气温的影响，表现各异。
The analysis found that cyclists had 2.3 times more soot in their airway cells.
分析表明，骑自行车者下呼吸道细胞中的煤烟含量要高出2.3倍。
Such laws in California have cut diesel-soot emissions in that state by half.
在加州，这样的法律已削减该州一半柴油碳烟的排放。
Electric fields can help reduce soot formation and pollutant emissions from flames.
电场可助于降低火焰中烟尘的形成以及污染物的排放。
Both soot and ozone cause respiratory problems and can permanently damage the lungs.
烟灰和臭氧都会造成呼吸系统疾病而且会对肺部造成永久性损伤。
But pyrolytic stoves produce almost no soot-the carbon is all locked into the biochar.
但是热分解炉几乎不产生黑烟，碳全都锁在了生物炭中。
And the amount of soot added to the atmosphere as a result of all our cars nearly doubles.
所有汽车排放到空气中的煤烟更是几乎成倍增加。
应用推荐