| 释义 |
prev·a·lence 英ˈprevələns美ˈprɛvələnsAHDprĕvʹə-ləns
基本英英词源搭配记法近义反义例句
n.传播⁹;流行⁷⁸;普及¹³
Noun:
the quality of prevailing generally; being widespread;he was surprised by the prevalence of optimism about the future 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 populationa superiority in numbers or amount;a preponderance of evidence against the defendant 词根词缀： pre-前,先 + -val-价值 + -ence名词词尾 → 有优先价值的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…
词根记忆pre领先＋val力量＋ence→力量领先→普及，流行，盛行将prevalent中的t变成名词后缀ce⇒prevalence n.流行，盛行词根记忆prevail的名词:pre+val+ence近义词 frequency频繁occurrence发生commonness普通popularity普及circulation流通incidence发生率preponderance优势
名词100%
用作名词Thus, lists of STDs may change over time and include more or fewer diseases depending on theirprevalence.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 theprevalenceand 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 virusprevalence.此信息会用来跟踪病毒流行情况。
Fewer people go out at night with theprevalenceof TV.随着电视机的普及，夜晚出门的人少了。
With increasingprevalenceof 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。 |