expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness
sputum的用法和樣例:
例句
用作名詞 (n.)
Sputum is a liquid substance from the mouth. 唾液是口腔中分泌的液體。
He coughed with sputum and feeling of malaise. 他咳嗽有濃痰,而且覺得很虛弱。