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。
Usually a dark or black pigment such as soot was introduced into the pricked skin .
通常是灰色或黑色的颜料,比如在刺过的皮肤上使用烟灰。
Dr marinoni and her colleagues have been examining himalayan soot since 2006 .
自从2006年开始drmarinoni和他的同事就在调查研究喜马拉雅山上的烟灰。
Soot and methane ( one of the gases that create ozone ) also contribute to global warming .
烟灰和甲烷(生成氧的原料之一)同样是造成全球变暖的因素之一。
This was a city powered by coal . Soot and smoke covered the city . There was no blue sky .
匹兹堡以煤为燃料,煤灰和烟雾覆盖在城市上空,再也看不到蓝色的天空。
It is not possible to tell from this view exactly what pollutants made up the haze on february 20 , but it probably contains mostly soot or black carbon and possibly some ground-level ozone .
An unusually hot summer set such fires across the country and the peatlands around moscow generated a smog that blanketed the city with carbon monoxide and soot .