impurities
US /ɪmˈpjʊər.ə.tiz/
UK /ɪmˈpjʊə.rɪ.tiz/
복수 명사
불순물, 오염물질
substances that are present in something but are not an essential part of it, especially unwanted substances
예시:
•
The water filter removes most of the impurities.
정수기는 대부분의 불순물을 제거한다.
•
The gold was refined to remove all impurities.
모든 불순물을 제거하기 위해 금을 정제했다.