영어타자1 영어 타자 연습 오늘은 영어 단문 읽기를 해 볼게요. 듣고 말하면 좋겠지만 우선 여기에 적어 봅니다. A stethoscope is a medical device that is used to listen to the soud made by the heart, lungs, and other organs. It consists of a small round disc which is connected to a flexible rubber tube. The disc is placed against the patient's skin, all the tubes carry the sound to the earpieces. The stethoscope amplifies the volume of internal body sounds s.. 2024. 5. 27. 이전 1 다음