英[ˈprevələns]美[ˈprevələns][1]
ASAHI PREVALENCE 朝日传播
prevalence status 流行态势
tuberculosis prevalence 结核病登记发病率[1]
The risk and prevalence of osteoarthritis increase with age as well. 骨关节炎的危险性和发病率也随年龄增长。
The prevalence of these widgets means they can report on almost all your browsing activity, which can then be linked to databases full of the social data you intentionally share. 这些小工具的流行意味着它们能上报几乎所有的你的浏览行为，通过这些行为就能链接到你主动共享出来，满是你社交信息的数据库。
There was no increase in the prevalence of obesity in black boys, except in the severely obese category, which peaked in 2007. 对于黑人男孩，肥胖发生率没有增加，除了超级严重肥胖这一类型的，它是在2007年达到高峰。[1]