n. the quality of prevailing generally; being widespread
n. (epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population
n. 普遍, 流行, 广泛
[医] 流行, 盛行
1. The prevalence of obesity is increasing in many countries.
肥胖的普遍性在许多国家正在增加。
2. Researchers study the prevalence of mental health issues among teenagers.
研究人员研究青少年中心理健康问题的普遍性。
3. There is a high prevalence of diabetes in older adults.
老年人中糖尿病的普遍性很高。