单词：prevalence
[医] 流行, 盛行
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
考试类型：[六级]
prevalence的用法和样例：
例句
- Thus, lists of STDs may change over time and include more or fewer diseases depending on their prevalence.所以，性传播疾病的病名录可以随时发生改变，以及依据其流行程度会作出调整。
- The translation of Buddhist sutras promotes the prevalence and development of Buddhism in China and brings great influence to Chinese culture.佛经译介促进了佛教在中国的传播与发展，对中国思想文化产生了巨大影响。
- This information will be used for tracking virus prevalence.此信息会用来跟踪病毒流行情况。
- Prevalence and incidence are covered in the following section.以下部分包括流行状况和影响范围。
- Fewer people go out at night with the prevalence of TV.随着电视机的普及，夜晚出门的人少了。
- With increasing prevalence of mobile devices, the IrDA communications have come into a golden age of development.摘要随着移动设备的日益普及，红外数据通讯已经进入了黄金发展时期。
词汇搭配
- prevalent流行的
- prevalence survey现患调查
- period prevalence期间患病率
- seasonal prevalence季节分布
- point prevalence rate点流行率
- prevalence rate流行率,列率...
经典引文
The final prevalence of the good over the evil.
出自：T. Chalmers
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