The doctor used a stethoscope to check my heartbeat.
A medical instrument used to listen to sounds made by the heart and lungs.
She learned how to use a stethoscope in her training.
A device used in medical examinations to amplify sounds for diagnosis.
ด้วยพจนานุกรมภาพและแฟลชการ์ดที่ทรงพลังฟรี