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
의사는 소노그래프를 사용하여 환자의 상태를 진단했다.uisaneun sonogeuraepeureul sayonghayeo hwanjaeui sangtaereul jindanhada.The doctor used a sonograph to diagnose the patient's condition.