| 释义 |
im·pur·ityBrE /ɪmˈpjʊərəti/ NAmE /ɪmˈpjʊrəti/ noun (plural im·pur·ities) [C ]a substance that is present in small amounts in another substance , making it dirty or of poor quality 杂质◆ A filter will remove most impurities found in water . 过滤器会滤掉水中的大部分杂质。[U ]the state of being dirty or not pure 肮脏；不纯；淫秽OPP purity |