Lightning streams across the sky towards downtown last night as one bolt appears to strike the Willis Tower, left, once again.

从另一边看，云层中穿出的闪电又一次击中了威利斯大厦(左)。

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Electricity rushed down the lightning rods atop the the Willis Tower and the Trump Tower at the exact same instant last night.

昨天晚上，电闪雷鸣，几乎在同一时间，两道电光柱出现在了威利斯大厦。

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By comparison, the tallest building in the United States, the Willis tower in Chicago, stands at 1,451 feet, although counting its antenna towers it rises to 1,729 feet.

与之对比的是美国第一高楼——芝加哥的威利斯大厦，高1451英尺，如果加上屋顶天线的话总共高1729英尺。

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She was talking about the Willis Tower, formerly known as the Sears Tower in Chicago,Illinois.

VOA: special.2010.07.30

Chicago's Sears Tower is now called the Willis Tower.

VOA: special.2010.03.31

The tallest building in the United States, the Willis Tower in Chicago, Illinois, stands 1, 450 feet high.

CNN: STORY HIGHLIGHTS

Of the top 10 tallest buildings in the world right now, the only U.S. property is the Willis Tower (Sears Tower) in Chicago standing at 1, 451 feet.

FORBES: China's Tallest Building Gets Even Bigger

If it didn't have the spire, One World Trade Center would be shorter than the Willis Tower in Chicago, which stands at 1, 451 feet and currently has the title of tallest building in the U.S., not including its own antennas.

WSJ: Spire permanently installed on WTC tower