protective secretion of the mucus membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium
例句
用作名词 (n.)
Coughing clears the lungs of mucus. 咳嗽能清除肺里的黏液。
There were 5 lipomas and 1 mucus cyst. 其中五例为脂肪瘤，一例为黏液囊肿。
美
['mjuːkəs]
