期間患病率 ; 階段流行率
Prevalence相關(guān)的詞根或詞綴是:
vailval
Prevalence優(yōu)勢(shì)；盛行n.
pre 前；預(yù)先 + val 強(qiáng)壯的 + ence 表狀態(tài)，prevail的名詞 → 優(yōu)勢(shì)；盛行
valvalu
Prevalence優(yōu)勢(shì)；盛行n.
pre 前；預(yù)先 + val 強(qiáng)壯的 + ence 表狀態(tài)，prevail的名詞 → 優(yōu)勢(shì)；盛行
中文詞源：
Prevalence
1、 Could it be the prevalence of tea in their culture?
是因?yàn)椴柙谒麄兊奈幕辛餍卸斐傻膯幔?/div>
2、 The prevalence of black and Asian faces among those targeted has caused especial resentment.
黑人和亞洲人的面孔在那些目標(biāo)人群中普遍存在，這引起了特別的不滿。
常見考點(diǎn)例句：
- The growing prevalence of alzheimer 's has also heightened anxiety about mental acuteness .
- 老年癡呆癥的流行也增加了人們對(duì)于大腦敏銳程度的擔(dān)心。
- Nonetheless , the widespread prevalence of non-suicidal self-injury does represent a public health concern .
- 然而，非自殺式自虐行為的普遍流行確實(shí)代表一個(gè)公眾健康問(wèn)題。
- Many countries in the middle east impose strict restrictions-and also report among the lowest hiv prevalence rates .
- 許多中東地區(qū)的國(guó)家實(shí)施了最嚴(yán)格的限制措施，同時(shí)也被報(bào)道為艾滋病流行率是最低的。
- More recent research shows a considerably higher prevalence .
- 最近更多的研究表明這種行為相當(dāng)普遍。
- Smoking prevalence has stalled at 20 percent of adults and , ominously , about the same proportion of high school seniors .
- 吸煙的流行使百分之二十的成年人陷于泥潭中，不幸的是，高中生有著一樣的比例。