题目：Chicago Museum 芝加哥博物馆
Some tourists in the Chicago Museum of Natural History are mar-veling at the dinosaur bones.One of them asks the guard,"Can you tell me how old the dinosaur bones are?"
在芝加哥博物馆自然历史博物馆里,有些游客很惊奇看到那些恐龙的骨头,其中有一个游客问看守的人说“你能不能告诉我这些恐龙的骨头有多老了”?
The guard replies,"Sure.They're sixty-five million,four years,and six months old."
这个看守回答说：“当然可以,它们已有六千五百万零四年六个月老了”.
The guard answers,"Well,they were sixty-five million years old when I started working here,and that was four and a half years ago."
看守又说,“噢,当我四年半以前来这里工作的时候,它们已经有六千五百万年老了.
（mar-veling ---可能marveling之误,惊讶惊奇的意思