《mucus.doc》查看内容详情
亲，网页上所展示的文章内容和下载文档内容是一致的，下载前请点击“查看内容详情”确认是否您所要下载的内容。
n.粘液；（动植物的）黏液； 英英释义： mucus[ 'mju:kəs ]n.protective secretion of the mucous 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 b
