大约几百万年到几千万年能形成的吧？

Maybe for millions of years or tens of millions of years.

但新马德里处于几千万年以来一直稳定的北美板块的中心地带。

But New Madrid is in the middle of the North America plate, which has been stable for tens of millions of years.

球场上，少年万年不变地坐冷板凳，父亲万年不变地在看台上喝彩，一场不落。

Even though the son was always on the bench, his father was always in the stands cheering.He never missed a game.

到目前为止，古生物学家认为恢复需要几千万年的时间——原因要么是由于大灭绝的深重影响，要么是由于火山爆发导致地球变成有毒的荒漠。

Until now, paleontologists have thought the recovery took tens of millions of years-a reflection either of the profundity of the Great Dying or of the toxic desert planet that the eruptions created.

另一种更有趣的可能性是，使蜥蜴的脚趾成形的基因信息，以某种方式存活了几千万年甚至几亿年，而且被重新激活了。

Another more intriguing possibility is that the genetic information needed to make toes somehow survived for tens or perhaps hundreds of millions of years in the lizards and was reactivated.