mucusKK [ˋmjukəs] /ˈmjukəs/發音名詞1黏液The lining of the stomach produces mucus to protect itself from acid.胃壁會分泌黏液來保護自己不受胃酸侵害。2鼻涕、痰口語Thick green mucus is often a sign of infection.濃稠的綠色鼻涕通常是感染的徵兆。