1.煤烟(灰),烟炱,油烟;锅灰
1.煤烟弄脏,弄得尽是煤烟
1.a dirty black powder that is produced when you burn something such as coal or wood
1.Adsorption Characteristics of Fullerene-extracted Soots and Its Application for Collecting Volatile Organic Compounds in Ambient Air
富勒烯烟炱的吸附性及其在大气挥发性有机物分析中的应用