noun 다운로드 🔗공유 가래, 객담 Matter coughed up and expectorated from the mouth, composed of saliva and discharges from the respiratory passages such as mucus, phlegm or pus. Examples : "The doctor asked him to cough up some sputum so she could test it for infection. " 의사는 그에게 감염 여부를 검사하기 위해 가래를 뱉어달라고 요청했다. medicine body physiology disease biology anatomy AI와 채팅어휘 게임독해 연습