dross

美音音标: [drɒs] dross
英音音标: [drɒs] result.0.expl|add:"

同义
impurity dross
词性
n
解释
worthless or dangerous material that should be removed
示例
there were impurities in the water

同义
slag scoria dross
词性
n
解释
the scum formed by oxidation at the surface of molten metals
示例
None