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 심동계를 사용하여 환자의 심박수를 측정했다.uisaneun simdonggye-reul sayonghayeo hwanja-ui simbaksureul cheugjeonghaetda.The doctor used a cardiometer to measure the patient's heart rate.