impure
adjective /ɪmˈpjʊə(r)/
/ɪmˈpjʊr/
- not pure or clean; not consisting of only one substance but mixed with one or more substances often of poorer quality
不纯的；不洁的；有杂质的 - impure gold
不纯的金子 - Some of these drugs are highly impure.
这些药物中有些是高度不纯的。
- impure gold
- (old-fashioned or formal) (of thoughts or feelings
思想或感情 道德败坏的；（尤指）淫乱的 - impure thoughts/motives
不纯洁的想法/动机
opposite pure - impure thoughts/motives
词源late Middle English (in the sense ‘dirty, containing offensive matter’): from Latin impurus, from in- ‘not’ + purus ‘pure’.