prevalence

/'prevәlәns/ uk　 词频 #7455

大学英语六级

prevalence 是什么意思

中文释义

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

prevalence 的真实例句

以下例句摘自真实英文文章，看看 prevalence 在自然语境里怎么用：

Low prevalence of lactase persistence in Bronze Age Europe indicates ongoing strong selection over the last 3,000 years.

—— Ancient DNA reveals pervasive directional selection across West Eurasia

Bars show prevalence or prevalence ratio estimates; error bars are 95% confidence intervals.

—— Ancient DNA reveals pervasive directional selection across West Eurasia

Prevalence of enterotoxigenic Bacteroides fragilis in adult patients with diarrhea and healthy controls.

—— A pro-carcinogenic bacterial toxin binds claudin-4 to cleave E-cadherin

Short-form video, of course, isn’t new, but the prevalence of the clips is.

—— How Short-Form Clips Took Over the Internet

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