1.
How long ago I may not know:
只不知距今已有多久，
2.
over six thousand years from now.
距今跨越6000年之久。
3.
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。
4.
Huang Di or the Yellow Emperor is believed to have lived at a time that was more than five thousand years before now.
黄帝生活的时代距今已有5000多年。
5.
The chrysanthemum stone was former 280,000,000 years ago.
菊花石形成于距今约2.8亿年前。
6.
That was a long time ago, in 1990.
那是在1990年，距今已经很多年。
7.
A Study on the Man-Environment Relation in the Daihai Area of Inner-Mongolia;
岱海地区距今7000-2000年间人地关系研究
8.
A century has passed since the day of promise, and the promise is unkept.
承诺之日距今已有一个世纪，但承诺却仍未兑现。
9.
They can also pay a visit to Tie'Ta or the Iron Pagoda, a towering glazed-tile structure whose history dates back to over 900 years ago.
还可以看到距今900多年的大型琉璃砖塔--铁塔。
10.
Paleontologists found the living fossils of plants that were one hundred million years old
古生物学家发现了距今1亿年的孑遗植物。
11.
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)。
12.
During the Chin dynasty about 1，600 years ago， there was a kindhearted Confucian scholar named Mao Bao.
距今1600多年前的晋代，有个心地善良的儒生叫毛宝。
13.
last 2 million years.
地质上新生代的第二纪继第三纪之后距今约二到三百万年的期间。
14.
In ancient times, Kaifeng was once known as Bianliang or Bianzhou. The city's history as national capital dates back to 2300 years ago.
古时候，开封称“汴梁”、“汴州”，从开始作为都城起，距今已有2300多年。
15.
Suzhou was once the capital of the State of Wu during the late Spring and autumn Period more than 2, 500 years ago.
苏州曾是春秋末期吴国的京城，距今有2，500 多年的历史。
16.
the deep/widening divisions in society today
当今社会中巨大的[日益加大的]差距.
17.
tonight the haddock were shoaling massively in three hundred fathoms.
今晚鳕鱼将要大量群集在距岸三百浔的地方。
18.
There is a growing divorce between desire and possibility in today's world.
今日世界，欲望和满足之间的距离越拉越远。