noun🔗Share오염 물질, 오염원A foreign substance that makes something dirty, or impure, especially waste from human activities."Car exhaust is a major pollutant in many cities, making the air unhealthy to breathe. "자동차 배기가스는 많은 도시에서 주요 오염 물질이며, 숨쉬기에 유해한 공기를 만듭니다.environmentsubstanceindustryChat with AIVocabulary GamePractice Reading
