Vitamin D has become a very hot topic in medicine now as we are discovering very high levels of Vitamin D deficiency in our population, not only in the United States, but worldwide.

他说：“现在，我们发现不仅美国人缺乏维生素D的比例很高，全世界都是如此，因此维生素D成为医学界的热门话题。”

youdao

Similarly, Intel's R&D center in Bengaluru is its largest unit outside the United States, having recently overtaken the much older Israeli unit.

同样，英特尔公司在班加罗尔的研发中心是它在美国境外的最大单位，最近超越了历史久远得多的以色列研发中心。

youdao

We operate more than 600 stores located in 44 states of the United States; Washington, D. C, Canada, and Puerto Rico.

在美国44个州，华盛顿地区，加拿大及波多黎哥，我们设有600多间零售专买店，为您服务。

youdao

We attended this year's United States Air Guitar Championships in Washington,D.C.to learn more about this unusual activity.

VOA: special.2009.08.14

If the rate of population growth of the United States between 1820 and 1850 had sustained over time, we'd have today approximately one and a half billion people in the United States.

如果在1820至1850年间,美国人口增长率保持下去的话,今天我们的美国,就会拥有近十五亿人口

耶鲁公开课 - 美国内战与重建课程节选

This is because people who live in Washington,D.C., have no voting representation in the United States Congress.

VOA: special.2009.03.20

The United States honors Adam D.

WHITEHOUSE: President Obama Presents the 2012 Presidential Citizens Medals | The White House

To achieve a similar cut in the United States, we'd have to abolish Social Security and the defense budget.

CNN: Euro crisis invites political extremism in French vote

To achieve the same scale of cut in the United States, we'd have to abolish both Social Security and Medicare.

CNN: How the euro crisis will affect you