noun🔗Share浮渣， 浮沫 A layer of impurities that accumulates at the surface of a liquid (especially molten metal or water)."During smelting, scum rises to the surface and is then removed by the smelter."在冶炼过程中，浮渣会浮到表面，然后由冶炼工人移除。materialsubstancechemistryChat with AIVocabulary GamePractice Reading
noun🔗Share浮渣，水藻。 A greenish water vegetation (such as algae), usually found floating on the surface of ponds"These organisms form scum in large quantities."这些微生物大量繁殖，形成水面上厚厚的一层浮渣.environmentplantnaturebiologyorganismecologyChat with AIVocabulary GamePractice Reading
noun🔗Share浮渣, 污垢 The topmost liquid layer of a cesspool or septic tank."The plumber warned us about the thick scums floating on top of the septic tank, explaining that they needed to be professionally removed. "水管工警告我们化粪池顶部漂浮着厚厚的浮渣，并解释说这些需要专业清理。substanceenvironmentChat with AIVocabulary GamePractice Reading
noun🔗Share人渣, 败类 A reprehensible person or persons."People who sell used-up pens are scum, just total low-lives."把用完的笔拿去卖的人，简直是人渣，彻头彻尾的社会败类。personcharactermoralnegativeattitudesocietyChat with AIVocabulary GamePractice Reading
