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prevalence ['prevələns] 
词性及解释
  • n.
    普遍, 流行, 广泛
  • 【医】
    流行, 盛行
英英解释
  • 1.
    n.the quality of prevailing generally
    [例]
      being widespread
      he was surprised by the prevalence of optimism about the future
  • 2.
    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
常用词组
例句
  • 1.
    And the overall contraceptive prevalence rate of married women of childbearing AGE has reached 83 percent.
    已婚育龄妇女综合避孕率达到83%。
  • 2.
    The prevalence of marginal vitamin A deficiency was 45.1%, among which in the urban areas it was 29.0% AND in the rural areas the figure was 49.6%.
    维生素A边缘缺乏率为45.1%,其中城市为29.0%,农村为49.6%。
  • 3.
    Impediments to Prevalence of Inclusive Education in China by Comparison of Chinese & American Syllabus
    从课程标准的角度谈我国实施全纳教育
  • 4.
    The prevalence of abnormal serum ALT was 44%, with 87% attributable to NAFLD.
    血清ALT水平异常的比例为44%,其中87%可归因于NAFLD。
  • 5.
    The prevalence of various types of abnormalities were: hypercholesterolmia – 2.9%, hypertriglyceridemia – 11.9%, low blood HDL cholesterol – 7.4%.
    不同类型的血脂异常现患率分别为:高胆固醇血症2.9%,高甘油三酯血症11.9%,低高密度脂蛋白血症7.4%。
  • 6.
    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。
  • 7.
    The prevalence of abnormal blood lipid levels among the adults in China was 18.6%, and IT is estimated that 160 million people are suffering from IT.
    我国成人血脂异常患病率为18.6%,估计全国血脂异常现患人数1.6亿。
  • 8.
    A chemical May increase the prevalence of a disease enough to leave no doubt that some members of the exposed population were injured by that chemical
    一种化学物质可能加速某种疾病的流行,所以可以确信,服用那种化学物质的部分成员会受到伤害。
  • 9.
    The severity of the penal code had NO serious effect on the prevalence of crime.
    刑法的严厉对制止犯罪蔓延并没有很大的效果。
  • 10.
    The prevalence of growth retardation among children under the age of 5 was 14.3%
    5岁以下儿童生长迟缓率为14.3%
词汇级别

小测验:选择正确的单词

prevalence means:
  • A.fdrequency
  • B.mdarriage
  • C.bdandit
  • D.sdkullcap

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