中老年工人中老年工人 middle and old aged workers
同时，必须注意到，严重和致命感染病例中约有三分之一到半数是原本健康的年轻人和中年人。
At the same time, it is important to note that around one third to half of the severe and fatal infections are occurring in previously healthy young and middle-aged people.
一项美国的新研究表明双亲中的一个或两个寿命是85岁或更高所生出的中年人患心脏病的危险较低。
A new US study suggests that middle aged people born of parents where one or both live to be 85 or more have a lower risk of heart disease.
Cacioppo和他的团队在包含了5200名中年人的Framingham实验群体中把重点集中在儿童上。
Cacioppo and his team focused on the children of the original Framingham cohort, which included more than 5, 200 middle-aged men and women.
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