noun🔗Share하수, 폐수Any water that has been used in some human domestic or industrial activity and, because of that, now contains waste products."The factory treats its wastewater before releasing it into the river to protect the environment. "공장은 환경을 보호하기 위해 강으로 방류하기 전에 폐수를 처리합니다.environmentutilityindustryscienceChat with AIVocabulary GamePractice Reading
