| 例句 |
pollutantnoun something that is or that makes impurefiltered the pollutants out of the water adulterant, contaminant, contamination, defilement, impurity blot, blotch, spot, stain, taintdirt, filth, grime, muck, scum, sludge, smut, soilblemish, defect, disfigurement, fault, flawabnormality, imperfection, irregularity clarifier, filter, purifier, refinercleanliness, immaculateness, purity in 1892 |