Any large flat area,such as the deck of an aircraft carrier,the amount of paper used to print the San Francisco Examiner,or the exterior of the World Trade Center,is described as being

• 任何一片平坦宽阔的场地，比如航空母舰飞行甲板、用以印刷《旧金山观察家》的纸张数量或者世界贸易中心的外部空地，都可以被描述为“有多少个美式足球场那么大。”