prevalence 详细解释

prevalence

['prevələns]

n. 传播, 流行, 普及

n.[U]

1. 流行, 盛行; 普遍, 广泛

the prevalence of burglaries

盗窃盛行

2. (疾病等的)流行程度

词形变化

名词: prevailer | 动词过去式: prevailed | 动词过去分词: prevailed | 动词现在分词: prevailing | 动词第三人称单数: prevails |

词义辨析

同义参见:

circulation  

英英释义

名词 prevalence:

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

补充

prevalenceprevalence英:[ˈprevələns] 美:[ˈprɛvələns]n.1.流行

例句

1. the prevalence of asthma in Britain and western Europe英国和西欧哮喘的流行 2. the prevalence of the disease疾病的流行

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