worthless or dangerous material that should be removed; "there were impurities in the water" 同义词:dross,
百科解释
Impurities are substances inside a confined amount of liquid, gas, or solid, which differ from the chemical composition of the material or compound.
详细百科解释
其他语种释义
impurityとは意味:impurity n. 不潔物, 不純物. 【動詞+】 ◆burn off impurities 不潔なものを焼却する ◆contain impurities 不純物を含んでいる ◆eliminate impurity 混ざりものを取り去る ◆filter out impurities 濾過(ろか)して不純物を取り除く ◆refine out all impurities すべての不純物を除去する...