1. Most cases are found in urban areas, Yang said, citing medical studies on diabetes prevalence in Beijing and Shanghai. 杨教授引用糖尿病在北京和上海流行的医学研究说，大多数案例在城市被发现。
2. Diabetes is one of harming human health's significant diseases, in recent years, diabetes prevalence rate assumes year by year. 糖尿病是危害人类健康的重大疾病之一，近年来，糖尿病的患病率均呈逐年上升趋势。
3. The surprisingly high prevalence of random allele inactivation in human cells can generate diversity in gene expression that affects cell fate and physiology. 人类细胞等位基因随机失活可以产生多样性的基因表达，影响细胞命运和生理学的高普遍性令人惊讶。
英英解释
n.
1. the quality of prevailing generally; being widespread
2. (epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or even
3. a superiority in numbers or amount
网络释义
Prevalence 盛行率;
流行;
患病率;
流行率;
point prevalence 点流行率;
释义：时点患病率,瞬间患病率;
时点患病率;
盛行率;
