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
이 실험에서 방사능은 메가퀴리 단위로 측정되었습니다.I silheomeseo bangsan-eun megakwirii danwilo cheugjeongdoeeossseubnida.In this experiment, the radiation was measured in megacuries.