prevalence 

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单词释义
n.流行,卓越
词根词缀记忆/谐音联想记忆 补充/纠错
词根词缀
pre 前;预先 + val 强壮的 + ence 表状态,prevail的名词 → 优势;盛行 → prevalence n.流行; 盛行; 普遍; (疾病等的)流行程度
谐音记忆怕我冷… * → prevalence n.流行; 盛行; 普遍; (疾病等的)流行程度
词根记忆 / 词缀记忆
prevalence n 优势,盛行(prevail的名词:pre+val+ence)
uail,ual = strong,表示”强壮”
avail v 利用n.利益(a使+ail=使….强壮=利用[力量])
available a 有用的,有效的(a …………
词组和短语补充/纠错
prevalence of blood-borne infections 血液传播感染的流行率
单词例句
We were very surprised by the prevalence of anti-government sentiments.
我们对普遍存在的反政府情绪感到很吃惊.
Could it be the prevalence of tea in your culture?
是因为在你们的文化中茶更盛行吗?
Reports on the prevalence of depression in children vary widely.
关于儿童抑郁症的患病率,各种报道差别很大。
The prevalence of obesity among children has risen alarmingly in recent years.
近年来,儿童肥胖的普遍率令人担忧地增长。
The study found a high prevalence of depression among college students.
研究发现大学生中抑郁症普遍存在。
The prevalence of smoking in public places has decreased significantly due to stricter laws.
由于法律更加严格,公共场所吸烟的情况明显减少。
The prevalence of diabetes in the adult population is a major health concern.
成年人口中糖尿病的普遍性是一个重大的健康问题。
The prevalence of fake news on social media platforms is a growing concern for society.
社交媒体平台上假新闻的泛滥日益成为社会关注的问题。
Regular exercise can help reduce the prevalence of chronic diseases.
定期锻炼有助于降低慢性病的普遍发生率。
The prevalence of poverty in rural areas is often underestimated.
农村地区的贫困普遍程度常常被低估。
Improved sanitation has led to a decrease in the prevalence of waterborne diseases.
卫生条件的改善导致了水传播疾病普遍率的下降。
The prevalence of single-parent households has implications for family policies and support systems.
单亲家庭的普遍性对家庭政策和支持体系有影响。
Public awareness campaigns have helped raise awareness about the prevalence of domestic violence.
公众意识运动有助于提高人们对家庭暴力普遍性的认识。
考试真题例句(机器翻译仅供参考)

六级these changes may account in part for the increased prevalence of obesity.

这些变化可能是肥胖患病率增加的部分原因。

2008年12月英语六级真题

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