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
맥스웰은 전자기학의 기초를 세운 과학자입니다.maegseuwel-eun jeonjagihag-ui gichoreul seun gwahakja-imnida.Maxwell is a scientist who established the foundations of electromagnetism.