[求助] princeton 阅读里的一句话

mtandyl

Their results suggest that the carbon -14 method occasionally has a large margin of error, producing dates of as many as 3,500 years too young for material that is in fact at least 20, 000 years old.
    

似乎不是说 把20，000 岁 测成了3,500 岁....

有一道关于它的infer 题的答案 是

Some events previously believed to have occured around 16,500 years ago may have occurred around 20,000 years ago...

有一点转不过来了~~~

那位N人 来帮帮忙

mtandyl

帮帮忙~~~

lukeleng

如果是20，000 ，会少(yong)3,500 岁

[此贴子已经被作者于2009-5-19 15:45:35编辑过]

mtandyl

完全看不出young 有少的意思 除非从答案推.....