“非洲马赛克：收藏十周年庆”展览，于11月19日在非洲艺术国家博物馆开幕，展出过去十年收藏的作品精选。

"African Mosaic: Celebrating a Decade of Collecting," which opens at the National Museum of African Art on November 19, presents selected gifts and purchases made over the past ten years.

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该学会今年将举行10周年年庆。

The society is celebrating its tenth anniversary this year.

《柯林斯英汉双解大词典》

2008年7月29日：美国航空航天局50周年庆。

50th Anniversary of NASA -july 29th, 2008.

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