Why it's unique: Located in steel City, Mellon arena proudly boasts the world's largest stainless steel retractable dome roof, the first retractable roof for a major indoor sports arena.

在钢铁城匹兹堡，梅隆竞技场号称拥有世界上最大的、可伸缩性不锈钢圆形屋顶，是首个用于大型体育竞技场的此类屋顶。

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Rosenfeld and Reuben Thomas, of the City University of New York, found the Internet is the one social arena that is unambiguously gaining importance as a place where couples meet.

纽约城市大学的罗森菲尔德和鲁本 托马斯称，网络正日益成为寻找另一半的重要社交平台，这是确定无疑的。

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Dozens of similar pleas are posted at the sports arena in the city of Mianyang, now a relief camp for thousands of survivors.

大量类似的内容出现在绵阳体育场，现在那里已成为数千幸存者的救灾营。

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The sports arena, now called Verizon Center, brought new life to this area of the city.

VOA: special.2009.12.27

As TDN's PR guy, I sometimes traveled on their private jet as they went from city and arena to city and arena and gave concerts to audiences of phenomenal and unprecedented size.

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It included plans to change the arena name to the City of Birmingham Edgbaston Stadium.

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Another year he scheduled the event at an indoor arena at the Kansas City Stockyards immediately after a rodeo.

FORBES: Profit in a big orange box