prevalence
'prevәlәns
基本解释
n. 普遍, 流行, 广泛
[医] 流行, 盛行
英文释义
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
词形变化
上一个单词：prevails
下一个单词：prevalence rate