pol.yp.o.sis
n.（名词）【复数】 pol.yp.o.ses[-sôz] A hereditary disease in which numerous polyps erupt in a part of the body, especially on the lining of the colon and rectum, and often become malignant.息肉病：一种遗传性疾病，症状是在身体的某一部位出现许多息肉，尤指在结肠和直肠的内壁上的，而且经常转变成恶性的
