汚染物質

おせんぶっしつ

noun

•

pollutant, contaminant

汚	dirty, pollute, disgrace, rape, defile
染	dye, color, paint, stain, print
物	thing, object, matter
質	substance, quality, matter, temperament

げんしょう

、

おせんぶっしつ

むかんけい

けつろん

We can conclude that this phenomenon is not related to either pollutant

しゅ

おせんぶっしつ

しゅ

じどうしゃ

ねんしょう

う

Pollutants like this derive mainly from the combustion of fuel in car engines