形容词

1. The air of a big city is often impure.
大城市的空气往往是污浊的。

1. 不纯的：impassive 冷漠的,無表情的 | impure 不純的 | impersonal 非個人的

2. 掺杂的;不纯的;未精制的：impulsing冲击;发生脉冲 | impure掺杂的;不纯的;未精制的 | impurity杂质;夹杂物

3. 不纯洁的;不道德的：8、honest 诚实的;老实的;正直的 | 9、impure 不纯洁的;不道德的 | impure motives 不纯的动机

4. 不纯的 含杂质：impunityfrommarketrisks 不承担市场风险 | impure 不纯的 含杂质 | impureatrialflutter 不整齐心房扑动

1. 不纯的;不洁的;掺杂的
A substance that is impure is not of good quality because it has other substances mixed with it.

2. 淫乱的;不贞洁的
If you describe thoughts and actions as impure, you mean they are concerned with sex and are morally bad.