That was twenty years ago.
距今已有20年.
Fossil hunters have unearthed the bones of an elephant believed to be 500,000 years old.
化石搜集者们发掘出了一具大象骨骼，据信距今已有50万年。
We are punier and smaller - brained compared with our ancestors only a few millennia ago.
与距今仅仅几千年的祖先相比,我们的身材变得矮小了,大脑也变小了.
Aristotle, who described man as a political animal, lived a long time ago.
亚里士多德生活在距今很久远的时代, 他曾把人说成是一种政治动物.
Precisely three hundred and forty - eight years six months and nineteen days ago.
距今 三百四十八年 六个月一十九天.
It has a long history of appro . 3000 years.
距今已有3000多年历史,原作者周文王姓姬名昌.
Soaring food prices have also revived some more contemporary worries.
飙升的食品价格也令人想起了距今更近的一些担忧.
There are 53 caves , over 1, 100 Buddhist niches, and 51 , 000 sculptures altogether.
云冈石窟始建于北魏兴安二年(元453年)距今已有1500多年的历史.
A radiocarbondate of 11200±1000 BP or 9250±1000 BC has been yielded.
碳14测定的年代为距今11200±1000年(公元前9250±1000年).
Above the waterfall is a natural bridge dating back 28 - 29 million years.
在瀑布之上是一座距今28-29亿年的天生石桥.
Around as early as 3000 years ago, the Bronze Age set in.
大约在距今3000年的时候, 大理地区进入了青铜时代.
Let us suppose it is now about A . D . 2060.
让我们设想现在差不多是距今超过50年公元2060年.
The courtyard, dating back 400 million years of fossil coral honeycomb.
院内有距今4亿多年的珊瑚蜂窝化石.
Rock Hill Caledonian granite and marble ago 4 - 6 billion years.
山体岩石为加里东期花岗岩和大理石,距今4——6亿年.
The graveyard can be dated back to 4500 - 4300 B . P.
该墓地的年代距今约4500-4300年.