반응형 watercleanliness1 [Water Quality and Safety] 시대를 관통하는 안전한 물: 역사적 해결책 살펴보기 [Water Quality and Safety] Safe Water Through the Ages: A Look at Historical Solutions (시대를 관통하는 안전한 물: 역사적 해결책 살펴보기) Water is essential for life, and throughout history, people have developed various methods to ensure that the water they drink is safe. In this article, we'll take a look at some of the historical solutions that people have used to make sure their water is safe to drink. (물은 생명에 .. 2023. 4. 2. 이전 1 다음 반응형