易染物质的英文

• chromophilic substance

• 易:    easy
• 染:    dye
• 物质:    matter; substance; material
• 非污染物质:    non-polluting substance
• 污染物质:    contaiminant; contaminant; contaminating material; contamination material; permissible concentration limit; pollutant substance; polluting material; polluting matter; polluting substance