the quality of prevailing generally; being widespread
(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
a superiority in numbers or amount
同义词：preponderance
prevalence例句
I'm shocked at the prevalence of bribery among these officials.
我对这些官员的普遍受贿感到震惊。
They are so surprised by the prevalence of anti-government sentiments.
他们对普遍存在的反政府情绪感到很吃惊。
prevalence详细解释
prev.a.lence n.（名词）The condition of being prevalent.流行：盛行的状况Medicine The total number of cases of a disease in a given population at a specific time.【医学】 疾病的流行程度：某一特定时间里在给定数目的人群中所有患病的人数
