Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
위상차 현미경은 세포의 구조를 더 잘 볼 수 있게 해줍니다.uisangcha hyeonmigeun sepo-ui gujo-reul deo jal bol su itge haejumnida.The phase contrast microscope allows us to see the structure of cells better.