For a recent assignment to photograph "summer in D. C.," I rode around the National Mall on a bicycle searching for images.

为了最近的任务去拍摄“华盛顿的夏天”，我骑着自行车在国家广场周围寻找摄影的对像。

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This study was supported in part by funding from the National Institute of Mental Health, the National Institutes of Health, and the John D. and Catherine T. MacArthur Foundation.

这项研究得到国家卫生研究所、美国国家卫生研究院约翰和凯瑟琳·t麦克阿瑟基金会的部分资金支持。

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It's true that when Reagan National Airport was built near Washington D. C. where I live, there were signs like this.

的确，当里根国家机场在我生活的，华盛顿特区建造时，周围有这样的标志。

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At the National Gallery of Art in Washington,D.C., you can see a colorful and expressive print called "Revolt on the Amistad."

VOA: special.2009.09.02

Can you give us a couple of examples what he'd do in a day or when a situation arises to safeguard the national security.

你可以举些例子,说说总统每天做什么,当情况发生时如何处理,来确保国家安全吗。

普林斯顿公开课 - 国际座谈会课程节选

which is one of the few museums in D.C. that actually isn't free because it's not a national museum.

那是特区里少有的几个收费博物馆之一，因为它不是国家博物馆。

大都会艺术博物馆 - SpeakingMax英语口语达人

Ambrose became the moving force behind the creation of the National D-Day Museum in New Orleans.

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The National D-Day Museum reopened in December, and the New Orleans Museum of Art should open its doors again on March 3.

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He was educated at the elite Ecole National d'Administration (ENA), where in 1978 he met Royal, and the couple started a three-decades relationship.

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