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· 英译中

原文：

The study, published in JAMA, the journal of the American Medical Association, followed almost 90,000 people, and found that moderate to vigorous activity, concentrated during one or two days a week, offers similar cardiovascular benefits to a similar amount of exercise spread throughout the week.

译文：

这项发表在《美国医学会杂志》（JAMA）的研究对近9万人进行了追踪调查，发现每周集中在一到两天进行中等到剧烈运动对心血管的益处，与整周分散进行类似运动量带来的益处相似。