1. 杂质，杂物，混杂物，搀和物，不纯成分
2. 不纯（之物），不洁（之物）
3. 不道德
4. 淫猥，下流，污秽
5. 渎神
6. 不贞节，不圣洁
7. 污染
8. 肮脏

1. worthless or dangerous material that should be removed;

   "there were impurities in the water"
   

2. the condition of being impure

1.杂质;不纯物质
Impurities are substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality.

e.g. The air in the factory is filtered to remove impurities.
工厂里的空气要经过过滤，以清除其中的杂质。

2.淫乱;不贞
impurity is the state of being no longer pure, especially sexually pure.

1. 不纯物：卫生署鉴於美国百特公司(Baxter)之Heparin注射剂产品发生过敏性不良反应事件,其调查结果为原料药制造厂之制程中不纯物(impurity)的拟优先实施原料药GM P之品项:国内已符合GMP之品项(由药检局提供清单)、安全有疑虑之品项、ADR及药

2. 不纯：impropriety#不适当 |impurity#不纯 | incentive#刺激;动机